What is my Windows Operating System
- Click the Start button in the lower right corner of the screen.
- If you see a Run... option, click it, otherwise you will enter the following step in the search field. If you unable to find either option you can use the shortcut, Windows Key + R, to open the Run dialog.
- In either the run window or the search field on the start menu enter winver and press the Enter key.
- An About Windows box will appear. Your operating system version will be show here. You will likely see one of the following versions:
- Windows XP
- Windows Vista
- Windows 7
- Windows 8