Git-2.28.0-64-bit.exe a8ef3311ac0c8747ba2f5aef3e475ad42fbc084ada7e6fb5060481a78c1a9cf2
using Windows 10 Pro version 2004 build 19041.450
select Select other editor as Git's default editor
specify location:
C:\Windows\System32\notepad.exe
click Test Custom Editor