Occasionally for some reason, you may need to know when exactly Windows 10 was installed on your computer. For example, if you buy a second-hand Windows PC or you’re curious how old your computer is (or when you last did a clean install), this command line utility that can tell you when Windows was installed.
Check Windows 10 installation date by Command Prompt
Check OS installation Date on Windows 7/8/10:
1- Open run command by pressing windows + R and type cmd and hit enter this will open command prompt.
2- Once you open command prompt then type “systeminfo” and hit enter.
3- Or, if you want to get only Installation date type the following command in the command prompt.
systeminfo | find /i “Original”
If you are using Windows 7 or Vista you might need to use this line instead:
systeminfo | find “Original”
Note: That you must type Original with the capital letter on older versions of Windows.
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