Where to find the operating system version? (Windows XP)
- Go to the START menu -> Settings -> Control Panel -> System -> General tab. (The following screen can be also poped-up by WIN+Break shortcut.)
- Copy down the information from System (as marked by red color on the following picture).

Where to find the operating system version? (Windows Vista)
- Go to the START menu -> (Settings) -> Control Panel -> System. (The following screen can be also poped-up by WIN+Break shortcut.)
- Copy down the information from System (as marked by red color on the following picture).

Where to find the operating system version? (Windows 7)
- Go to the START menu -> (Settings) -> Control Panel -> System. (The following screen can be also poped-up by WIN+Break shortcut.)
- Copy down the information from System (as marked by red color on the following picture).
