View the WIN10 version number and the installed activation key (key) through the registry

1. We enter the registry by searching or pressing the win+r key combination on the desktop, entering regedit in the Run box, and then entering the Registry Editor. The following figure:

2, view your Windows 10 detailed version number:

Locate to

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion
Then we'll see a buildlabex on the right and then we'll see the version.

You can see detailed version information. The following figure:

3, view the installed key:

Similarly, we are positioned in the registry
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Nt\currentversion\softwareprotectionplatform
Then we'll find Backupproductkeydefault, as shown below: