2023 Beta 1 Issues

Just downloaded 2023 Beta 1 and simply trying with the demos. Not working.

Trying main demo:

Then I tried the PDF viewer:

Thank you for your reports. Yes, the project was not updated to take account of folder changes. This will be fixed in next update.
Moreover, project files cannot be saved because they are stored in the “Program Files” directory.

Exactly, glad you caught that.