How you will check the installed version of window or MacBook opearating system.

Question

Accepted Answer

To check the installed version of Windows or MacBook operating system, follow these steps:

For Windows, go to Start menu > Settings > System > About. The version number will be displayed under Windows specifications.
For MacBook, click on the Apple icon in the top left corner of the screen > About This Mac. The version number will be displayed under the macOS or OS X heading.
Alternatively, you can use the command prompt or terminal to check the version number.
For Windows, open the command prompt and type 'systeminfo'. The version number will be displayed under 'OS Name' and 'OS Version'.
For MacBook, open the terminal and type 'sw_vers'. The version number will be displayed next to 'ProductVersion'.

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