How to upgrade from QSpace to QSpace Pro?
QSpace Settings > Extensions
Purchase the QSpace Pro extension.
Click Bind to bind an email address for logging into QSpace Pro.
Click Restore Purchase and wait for completion.
Download and install 
QSpace Pro, then log in with the bound email address.
You must bind your email address in QSpace MAS before logging in to QSpace Pro. If you logged in before binding an email address, please log out and log in again.