It might doesn’t make any sense to know about the date of installation of Windows. But if you are curious to know about that then you can do it with the help of system info tool. This tool is inbuilt in Windows and you can open it via command prompt. Here’s how you can check the date of installation of Windows.
Click the “Start” button. Type cmd in the search box. Right click on cmd and choose “Run as administrator”.
In the command prompt, type systeminfo and press Enter. It will take few seconds to process the information. It displays all the information of your computer including Original install date, system boot time, etc.
Apart from Windows installation date, it also displays system memory, virtual memory, IP address and other important information.