When a license is installed for EagleCad version 6.4, what is the procedure to upgrade from 6.4 EagleCad to version 6.5?
Do I need to backup the license file first?
Can I install both versions side by side?
Will the upgrade replace the existing version in place and pick-up the license that was already installed?
Does CadSoft/Element-14 documents the proper upgrade process in detail somewhere?