This project is not valid

Questions & Answers
1

Tried reinstalling and downloading editor for it

198594-image-2022-08-10-200432153.png

2

I figured out Its the file. Does anyone know how to turn an itch.io file back into a unity file?

3

Same, I just recently joined Unity wanting to create my first game but trying to opening my project, there comes a message just like the one shown