This is really weird. Do you see the saves but they somehow refuse to load or you don't see them at all? Make sure you are running the same game client in all tests and also check the auto-update settings of Itch client.
Alright, what happens when you try to load one of these? Do you have an error screen? I tried to check this issue and on all platforms including mobile, saves are working fine on my side.
Can you explain to me I have other games that require save and the work even if I stop off the computer the type of computer I use is a Dell Windows 10
