How to check operating system version on devices

See which Windows version you have

1. Click Start ⊞, then go to Settings > Update & Security > Windows Update. You can also access it via the shortcut button below:

   Windows Update

2. Click Check for updates.

See which macOS version you have

1. On the main screen, click the Apple icon.
2. Select System Preferences.
3. On the next page, check Version Name and Version Number.

See which Android OS version you have

1. Go to the Settings app on your mobile device.
2. Tap About Phone or About Device.
3. Check Android Version.

Settings may vary based on the device brand and model.

See which iOS/iPadOS version you have

1. Open the Settings app.
2. Go to General > About.
3. Check the Software Version.