How do I update aseprite to the new beta?

Help
1

I used Aseprite 1.3.11-beta on Steam and liked the new features, and I switched to itch.io, and i cannot seem to find where to update to 1.3.14-beta on the itch.io library.

2

Hi there! Sorry, the beta is only available through Steam.

3

Interesting i mean, so? I cold i mean hahah