School, Love & Friends 2.2 - Download (free demo)

Windows - Full game : MEGA 
Windows - Update only v2.1 to v2.2 : MEGA 
MAC - Full game : MEGA 
I don't owe and I don't know the Mac system, so I won't be able to help.

Permission issue with MAC?
Open terminal and type:
chmod -R a+x (drag and drop file from application panel here)
chmod (space) -R (space) a+x (space) drag and drop

How to keep your saves?
Copy the Saves folder and the Data.sav into the root (with the .exe) of the new version (no need if you have downloaded just the update)

A bug? Send a message or a email (with the save and the description of the bug)