Operating System For Mac Computer


10 Best free Operating system that you can install on your computer or laptop. Most people either have windows for Mac OS on their computer. If your computer comes with a digital license for the OS that it runs, then you already paid for the operating system.

An operating system, sometimes called an OS, is the foundation of all system software on your computer. It is the part of your computer that is responsible for controlling input and output devices, managing files, and prioritizing system requests, as well as controlling and allocating memory. Korora is a good looking free and open source Linux operating system. Very similar to.

Upgrading to the new edition (eg. from Windows 10 single language to Windows 10 Pro) requires acquiring a license key, which cost a handsome amount of money.


I assume you already knew Ubuntu (the Simplified, and overrated) and the Debian (Stable-again-simplified) it’s time we talk about other free operating systems which includes some Linux distributions.

These operating systems are completely free to use, you don’t have to purchase a license or pay to download and most are open source means you can view the whole operating system codes.

We’ll start with good-looking and rich-features wise operating systems, then lightweight Linux distros.

Next read: Alternative Operating Systems For Your Computer

1. Korora

Korora is a good looking free and open source Linux operating system. Very similar to Fedora but with some nifty options such as wallpaper shuffle, nice selection as far as wallpapers are concerned. Material design somewhat inspires the UI, and the functions are overall enough for an average user.

The top taskbar is minimal, elegant and looks really nice. From the right-side, you can manage volume level among other settings. Without a second thought, I’ll advise anyone to try this Linux distro as this can be easily your best operating for your computer.

2. Cub Linux: [Discontinued]

Based on Linux, Cub Linux is similar looking to the Chrome OS (or Chrome OS forks). The Operating system is sanctified toward replicating the Chrome OS (Found in Chromebooks).

It has Chromium Browser as the main element of the operating system hardwired with the Chrome App Launcher.

Since it is based on Linux, you can install packages and use the terminal to do things as usually people do with Linux. Also, it’s a kind of lightweight distro of Linux and can be used directly from a USB Drive, while you can make a persistence USB to save user data without the need to install on your Hard Drive.

Update: As I can see the official website is down you can visit their GitHub and SourceForge page to download builds. As far I think the project is discontinued which means no support from its community if you can compromise with future updates you can still try it. I mentioned it because it is worth to try, even now when its discontinued.

3. Ubuntu

The number one Linux distro of all the time. The newer Ubuntu builds have long-term support which makes it a reliable operating system. It does support video drivers and another driver according to your hardware. For instance, if you have Intel HD graphics, related drivers can be installed using the tool created explicitly for Linux by Intel. That’s why if your concern is the graphics performance you should go with Ubuntu or the godfather “Debian” to get graphics driver support. Latest build requires at least 2GB of RAM to function properly. If you’re running on a low spec, check the rest distros.

4. Elementary OS

It is designed to look and feels like the MAC OS. At least to me, this doesn’t seem a Linux distro. Also, an open source project without any kind of ads and comes with a store to install packages. There is also a new release that is called Loki, and since it is in Beta, you should try that if you don’t mind a bug or thousands. The stable builds are good if you want to start out with a good-looking Linux distro.

5. Antergos

Actually I kind of like this—I did install the OS just to experience and wrote about it, and trust Me I fall in love with it. I did test the Minimal version of the operating system. The minimal version ISO file is around 550+ MB which is a bandwidth saver and will support even older computers. Not much older computers maybe. Here is what supports older machines. (the Minimal ISO does require an internet connection to be installed on your computer, I’d suggest downloading the full ISO instead). When talking about the settings and file manager interface, they have quite more options. Also, the apps catalog somewhat reminds me the Start menu of Windows 7, I mean not UI wise.

6. Manjaro

Another user-friendly Linux distribution, have 3 flavors: XFCE (lightweight), KDE (rich-and-cool) and the Minimal net edition. It brings the Start Menu, and that is useful to find programs do other functions. There are also some other community editions, which means you have options, many flavors available maintained by different manjora team members. It’s great that this is the only Linux distro offers options when it comes to appearances. And it’s not quite common among other Linux based operating systems.

7. Zorin OS

Zorin OS is one of the few Linux distros that I actually liked, It reminds and maybe the combination of the appearance of Windows 10 and Windows 7, but even better. You might have a rough time while installing graphics drivers as per your computer hardware, but there are tutorials about them. Despite, you’ll get such a nice user interface, where most of the settings and functions are one or two clicks away. Such as the start menu contains the shortcut to Settings, software and power options. Sound like Windows 7, hell yeah. Overall the interface is decent and more of modern design. It comes with some apps like Chromium browser, Wine to play Windows apps, office, utilities and some games built-in.

8. Android OS for PC

Remix OS tried a high-profile attempt to bring the Android OS on computers but that didn’t went very well, they’ve discontinued the project. It’s a real bummer when a team promises to deliver “lifetime” and “stay-up-to-date” operating system fade like this. But Phoenix OS is still here, but the development is around the Chinese marketplace.

Android is also based on Linux Kernel but it is completely different from the typical Linux based operating systems and the major feature is that you can install apps and games from the Android web store aka Google play store. The good part? It’s totally free os for PC so can install on as many as computers and be using it without worrying of any activation or license.

Android has a major stack in mobile operating system worldwide, but Android OS on computer is still underrated as users who run Android OS on the computer are less than 1%. Today mobile is capable of (sort of) doing everything that a computer does. So if you use an Android OS on your computer the learning curve is almost nothing since you are using Android on your phone or tablet.

To get started visit the Android-x86 website and from there grab a system Image (At this time nougat rc2 port is the latest) and burn it to a USB drive. Then boot from it to use Android OS on your normal computer and you’ll be amazed to see all those android apps running apps on your laptop screen. The Android-x86 provides near-to-stock android experience but other project such as Phoenix OS provides better desktop experience.

jide’s Android OS for PC created a hype among internet users that they can install a useable android operating system on their computer but soon they discontinued the project. After a short time, another similar project took place and are still supported and gets updated often. The worthy mention is Phoenix OS which simulates a Windows similar desktop interface including Taskbar, start menu and action center like features. However, The Phoenix OS has some Chinese bloatware that I was unable to uninstall as they appear as soon as when you try to remove them. Hopefully, with new version there is less bloatware and better stability and support for more hardware.

Compatibility wise both remix and Phoenix OS do not support wide range of hardware, but on the other hand be original Android x86 Port does support a wide range of hardware including older computer. So if you are unable to run Phoenix OS then try Android x86 build (not to mention that the older port will be more stable on old hardware). While both projects are not totally open-source but consider them free os for pc just like the parent project.

There are these other projects like bliss OS which offers little functionalities like Taskbar and navigation buttons meanwhile keeping the original stock Android experience.

If you want to know more about Android operating system confused which Android OS you should choose read the following article.

9. Chrome OS for PC

You can load unofficial Chrome operating system on your computer and have a taste of what’s it like owning a Chromebook. Chrome OS is elegant and powerful and lets you focus on your work.

Google’s Chrome OS is also built on Linux Kernel and optimized with user-level software and user-friendly desktop environment that eventually uses chrome browser and chrome apps. You obviously can’t install the official chrome os if you don’t have a Chromebook, but there are several unofficial forks of Chrome OS goes by many names, one which is arnoldthebat project that you can download and boot using a USB drive.

If you want to hop in, check this Chrome OS installation guide to install it on your normal computer or laptop. At this time, specific features like running Android apps are limited to some Chromebooks. But that’s ok, because if you solely want to run android apps there are Android operating system as well.

The good part about Chrome OS is that you’d won’t miss your old operating system because there are so many Chrome extensions for almost everything. You need a VPN chrome store has it, you need a grammar checker, the store has that as well. So yeah, overall Chrome OS can be a good option to dump your typical Operating system, surely there is a learning curve that eventually it’ll become easy to adapt to the Chrome OS because the key feature is the Chrome Browser which we all love to use.

There are also options when you want to install an unofficial Chrome OS port on your computer, these are some of the options you can start with.

Aarnoldthebat: Updates Daily, Weekly and monthly.

Learn more about Chrome os //(options)

10. Solus

Requirements: 2GB of RAM for optimal experience and 64-bit CPU architecture.

It comes in three desktop flavors which are Bungie, Gnome, and Mate. The Bungie is for modern computers, GNOME offers balanced desktop experience, Mate can be used on older hardware. So all of these flavors are around 1.2–1.3 GB in size. So it is just a Linux based operating system but you will get better functionalities and different user interface and it is far easier to get used to it rather than Ubuntu and other distributions.

I would like to mention another Linux operating system which goes by “PoP_OS” a very developer friendly Desktop Environment but you will fall in love with this operating system even if you are not a developer, it is so beautiful that I find myself using it in the weekend.

Best Free OS for your computer>

For a new user maybe all the Linux distributions are same, in fact, they are. You should try more than one Linux distro before settling on to one, the more you’ll try, the more chance you’ll find a better one. Don’t stick. Try more and more.

These are the best Linux distro you can try else you can visit a list of all Linux distro here at Wikipedia. There are many more Linux distributions that may be lesser known such as niche-Linux-distros that are supported by a small community. That’s all for now, in coming days more Linux guides will be published. So stay tuned, Stay happy.

One such downside of custom Linux distributions is that you can’t install or maybe a hard time finding and installing graphics drivers according to your computer. This is not a major issue with some top distros like Ubuntu and Debian and Fedora. Feel free to spend hours, days or even month exploring the Linux.

All of the operating systems are totally free to download and use and can be directly booted from a USB drive. our pick for the best free os for pc is definitely Android OS projects because they are easy to use, supports thousands of Android Apps and games from the Play store.

Are you done with MAC, Windows 10 and Linux OS? Isn’t there any free OS for PC (operating system) apart from these 3 giant OS? And if there are other operating systems, which one is good and free to use? Any good and totally free operating system for my computer?

Today we have written this article to answer these questions. this is so true that most of the people use either Windows or MacOS and they are not free. Although, Windows 10 comes pre-loaded with many laptops with activation detailed soldered in the BIOS. So when you Fresh install that same Windows 10 variant it will automatically get activated. But when you install another version of Windows it won’t work at all and it left you with only option to buy a windows license. Despite the fact that the number of pirated Windows users are very high that Microsoft even admitted that “Only 1 out of 10 Windows computer is genuinely activated” but cracking Windows with 3rd party tool is dangerous as most of them are fake, bloatware, viruses and does nasty stuff to your computer.


The 'missing operating system' or 'operating system not found' error message usually appears on a black window when you start Windows computers. It would prevent you from booting Windows. This error is very common for Dell, Acer, Lenovo, HP, and Sony desktops and laptops. You can read on to get error details or skip directly to solutions.

Workable SolutionsStep-by-step Troubleshooting
Fix 1. Check BIOSPress and hold 'F12/F10' to enter BIOS...Full steps
Fix 2. Reboot from a bootable diskPress and hold 'F10' and press 'Power'...Full steps
Fix 3. Set BIOS to default settingsFind BIOS and enable the default setup option...Full steps
Fix 4. Rebuild MBR using cmdInsert the Windows installation CD/DVD...Full steps
Fix 5. Rebuild MBR using softwareBoot PC from EaseUS Partition Master ...Full steps
Fix 6. Rebuild MBR for HPBoor from Windows Operating System Disc...Full steps
Fix 7. Set correct partition activeBoot from EaseUS WinPE bootable disk...Full steps

Causes of Missing Operating System/Operating System Not Found

Generally, when something goes wrong with the BIOS configuration, hard drive health, or the Master Boot Record (MBR), you can't boot the Windows and will see the mentioned two error messages. To be specific, the causes that lead to Operating System Not Found are as follows.

  • The basic input/output system (BIOS) does not detect the hard disk
  • The hard disk drive is damaged
  • Improper/incorrect BIOS settings
  • Windows Master Boot Record (MBR) is corrupt/damaged
  • An incompatible partition is set as active

Note: If the BIOS fails to detect the operating system, you will receive one of the following error messages, which tells the same problem on different operating system versions.

Error message 1: Missing Operating System

Error message 2: Operating system not found

7 Solutions to Fix Operating System Not Found or Missing

After knowing the causes for an operating system not found or missing in Windows, now it's time to apply effective solutions to restore the missing operating system.

Solution 1. Check if the hard drive is detected by BIOS

Step 1: Press and hold 'F12/F10' while pressing the 'Power' button to turn on the PC.

Step 2: Release F12/F10 when the BIOS Setup Utility is displayed.

Step 3: Try to find IDE Primary Master, IDE Primary Slave, IDE Secondary Master, and check whether they can be detected or not.

Operating System For Mac Computer

Operating Systems For Mac Computers

If no disk is shown or displayed as None/Not Detected, it means that the BIOS doesn't detect the drive and you may select None to Auto. This may solve OS not found error.

If the system disk information is displayed, it means that BIOS can detect the hard drive and you need exit BIOS.

Solution 2. Test hard drive problems

Step 1: Press and hold 'F10' and press the 'Power' button to turn on the PC > Release F10 after the PC screen display you with a test.

Step 2: Use the right arrow to select the 'Tools' menu in the BIOS Setup Utility.

Step 3: Then select 'Hard Drive Self Test' > Press 'Enter' to start the test.

After the test, you'll get two results:

#1. All tests passed

the hard drive is not damaged. You may jump to Solution 3 to reset BIOS to the default state.

#2. The test failed

You should contact your hard disk or computer manufacturer for a replacement as long as these devices are under warranty.

Solution 3. Set BIOS to default settings

Improper settings or incorrect BIOS settings may also cause the issue 'operating system not found' in your PC. You can try to set BIOS to default settings to solve the problem.

Step 1: Restart PC and enter BIOS.

Step 2: Find BIOS and enable the default setup option, including Load Optimal Defaults, Get Default Values, Load Optimized Defaults, Load Setup Defaults, and so on.

Step 3: Press 'F10' to save changes and quit from BIOS.

If this method doesn't work, the MBR disk could be damaged and you may jump to Solution 4 to find the MBR disk repair method.

Macintosh Operating Systems

Solution 4. Repair MBR with the installation CD/DVD

Both wrong operation and virus infection can damage MBR, which locates in the first sector - usually sector 0 of the hard disk. Thus, Windows will not boot. You can try to repair MBR using the Windows installation disk in Command Prompt.

Microsoft says the fixmbr command that used in this method may damage your partition table if a virus presents or if a hardware problem exists. The existing partitions might be inaccessible so that data cannot be used. EaseUS Partition Master can help rebuild MBR without bringing any damage to data and partition since it operates the master boot record only. For detailed steps, go to Solution 5.

Insert Windows Operating System Disc to the optical (CD/DVD) drive

Step 1: Press the 'Power' button to turn on the PC > Hit 'Enter' when Boot from CD prompt.

Current Operating System For Mac Computers

Step 2: Press 'R' key in Windows Setup Menu to start the Recovery Console.

Step 3: Type: FIXMBR at the C:> prompt and hit 'Enter'.

Step 4: Press 'Y' key > hit 'Enter' when asked if you want to write a new MBR.

Step 5: Restart PC by pressing the 'Power' button when the MBR completes the writing process.

Solution 5. Rebuild MBR without Windows installation CD/DVD

If you prefer an easier and safer way to rebuild or repair the MBR disk, you may apply third-party partition magic software - EaseUS Partition Master to perform an automatic repair.

Boot your Windows from the WinPE environment you created and start to repair MBR with a few clicks.

Step 1.Create a WinPE bootable disk.

  • Download and launch EaseUS Partition Master on a new PC which runs the same system as yours.
  • Click 'WinPE Creator' on the toolbar. And select to create the bootable disk on a USB drive. If your computer has a CD/DVD drive, you can also create the bootable disk to CD/DVD.
  • Click 'Proceed' to finish the process.

Step 2.Rebuild MBR.

  • Connect the bootable USB or CD/DVD to your PC.
  • Press 'Del' when you are restarting the computer. Boot your computer from 'Removable Devices' or 'CD-ROM Drive'. And then EaseUS Partition Master will run automatically.
  • Right-click the disk whose MBR is damaged. Choose 'Rebuild MBR' to continue.
  • Select the type of MBR with the current operating system. Then, click 'OK'.
  • Click the 'Execute 1 Operation' button at the top-left corner and click 'Apply' to build the MBR. After that, your computer can boot normally again.

Solution 6. Repair MBR for HP

Upgrades For Mac Computer Operating System

Solution 4~5 to corrupted MBR repair is applicable to various computer/laptop brands. On top of that, some brands provide customers with inbuilt tools to deal with MBR issues. For example, the Windows Operating System Disc (OSD) provided with HP notebook PC can be used to repair the Master Boot Record.

Follow all steps at https://support.hp.com/us-en/document/c00476274

Solution 7. Set the correct partition active

Windows Operating System For Mac Computer

When Windows is running under Legacy BIOS + MBR mode, the boot partition/system partition should be set as active so that MBR can pass boot right to boot manager and find Windows. If the system partition or boot partition is not set to active, you may encounter the operating system not found issue.

In the same partition tool, create the EaseUS Partition Master bootable USB first, and follow the steps to set the boot partition active:

Operating System For Mac Computer

Step 1. Download and launch EaseUS partition manager software.

Step 2. On the disk map, right-click the desired partition and choose 'Set Active'. The software will automatically execute the operation and create an active partition for you.

Windows Operating System

Do You Need Specialized Services for System Boot Issues?
EaseUS also provides 1-on-1 remote assistance to fix the boot issue. If the solution above does not work for you, please contact our professionals via Email or LiveChat on this page. To ensure our professional assistance work, you are suggested to connect the unbootable system drive to a healthy computer when getting connected with us.


All effective solutions to the 'Missing Operating System' or 'Operating system not found' error are carefully presented on this page. You may try any one of the methods to resolve the issue and get a healthy Windows system back and continue using your computer again.

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