How to Delete Fonts in Windows 98/Me/2000/XP/Vista/7/8/10?
https://english.m.fontke.com/help/45/
How To Install Fonts in Windows 98/Me/2000/XP/Vista/7/8/10?
https://english.m.fontke.com/help/44/
How to Solve the Tip Reads "Can not Install font.ttf file, 'C:\WINDOWS\Fonts\font.ttf' is not valid"?
https://english.m.fontke.com/help/52/