I was able to get the games to run on Win10x64, version 1803, build 17134.1, but it was somewhat of a strange struggle. Probably the last half of the long, rambling post I wrote about it is pertinent to what you want to do...

https://www.gog.com/forum/star_wars_knights_of_the_old_republic_series/getting_kotor_1_and_2_running_under_windows_10x64_build_171341