Press Windows key + R
Type `winver`
Press Enter
Read the Windows version and OS build shown in the window
Press Windows key + I
Go to System
Select About
Check the values under Windows specifications (Edition, Version, and OS build)
Press Ctrl + Shift + Esc
Open Task Manager
Click More details (if shown)
Go to the Performance tab
Click CPU
Check the OS details shown (if available)
Press Windows key + X
Select Windows Terminal (Admin) or Command Prompt (Admin)
Run `systeminfo`
Find “OS Name,” “OS Version,” and “OS Build” in the output