game wont launch from the itch.io app and when launched manualy i have no npc or player save data. will have to remake my avatar again, a pain since i was max level and everything but im guessing updating just overrated it all
Updates do not clear data.
The Itch app allows you to do some really strange things with installs using privacy sandbox mode, which some people have done and found trouble when reinstalling. All data is normally stored at:
%AppData%\..\LocalLow\RalivDev\Archipelagates
If you have enabled Itch sandbox mode (a data privacy feature itch offers to do nonstandard installs) I am afraid I can not personally account for how and where itch stores your data.