Windows Installation ...
Num Lock key at startup? (disable/enable)
regedit > HKEY_CURRENT_USER\ Control Panel\ Keyboard\ InitialKeyboardIndicators
0 = Num Lock is turned OFF after the logon.
1 = Disable Num Lock.
2 = Numlock is turned ON after the logon.
HKEY_USERS\.DEFAULT\Control Panel\Keyboard\InitialKeyboardIndicators: "2"
HKEY_USERS\S-1-5-18\Control Panel\Keyboard\InitialKeyboardIndicators: "2"
How to enter the BIOS or CMOS setup.
How to Enable NumLock on Windows 8 Startup
Enable Num Lock on startup or reboot in Windows 10/8/7