To check which version of Windows you have, follow these steps:

1. Click the Start icon on the taskbar, then select Settings.
2. Select System, then scroll down and select About.
3. Under Windows specifications, you will see the Edition, Version, and OS Build information of your Windows.

Alternatively, you can press the Windows key + R to open the Run dialog box, then type "winver" and press Enter. This will open an About Windows window showing the version and build of your Windows. These methods work for Windows 10 and Windows 11 systems.