Option 1:
Win+R
winver
enter
Option 2:
open CMD
systeminfo | findstr /B /C:"OS Name" /C:"OS Version"
Option 3:
wmic os get Caption,CSDVersion /value
Option 1:
Win+R
winver
enter
Option 2:
open CMD
systeminfo | findstr /B /C:"OS Name" /C:"OS Version"
Option 3:
wmic os get Caption,CSDVersion /value