How to check the OS version on your computer

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Knowing the exact version of your operating system (OS) is more important than many people realize. Whether you are troubleshooting a software issue, installing a new application, or checking compatibility for system updates, the OS version tells you what your device is capable of and what limitations might exist. It also plays a key role in cybersecurity, as outdated systems often lack the latest patches and become vulnerable to threats.

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Another reason to know your OS version is that many modern apps and drivers are built with minimum system requirements. If you are unsure whether a program supports your device, the first step is always identifying which OS version you are running. Fortunately, checking this information is quick and simple, no matter what platform you use. Below is a step-by-step guide for Windows, macOS, and Linux computers.

Checking the OS Version on Windows

Way 1:

1. Press Windows Key + R to open the Run dialog box.

2. Type winver and press Enter.

3. A window will appear showing your Windows edition (e.g., Windows 11 Pro) and version number.

Way 2:

1. Right-click 'My PC' in desktop.
2. Click 'Properties' in the pop-up menu.
3. You can view the Windows version in the pop-up window. 

Alternatively, you can go to Settings > System > About to see additional details such as build number, device name, and system type (32-bit or 64-bit).

Checking the OS Version on macOS

1. Click the Apple logo in the top-left corner of the screen.

2. Select About This Mac.

3. A window will display the macOS name (e.g., macOS Sonoma) and version number.

You can also click More Info to see hardware details, storage, and other system information.

Checking the OS Version on Linux

Because Linux has many distributions, the method may vary, but the most universal way is via the terminal:

1. Open Terminal.

2. Type the following command and press Enter:

   cat /etc/os-release

3. The output will show the distribution name (e.g., Ubuntu, Fedora) and its version number.

For desktop environments with a GUI, you can also go to Settings > About to find similar information.

Staying aware of your OS version is not a one-time task. Operating systems evolve, and major updates can change how software interacts with your device. By checking your version regularly, you ensure smoother performance and better security.

Finally, if you plan to upgrade your system or install new software, make it a habit to confirm your OS version first. This small step can prevent installation failures, compatibility errors, and even data loss. In a world where technology updates rapidly, knowing your system isn't just helpful — it's essential.