After the installation finishes, check the Gerber Portal for any Service Packs (SP) or patches. AccuMark 12 usually had several updates (SP1, SP2, etc.) that fixed bugs in the initial release.
This is the official repository for software and drivers. gerber accumark 12 new download
If you are currently on version 10, 11, or even older legacy systems like MicroMark, version 12 represents a paradigm shift. Note that files saved in AccuMark 12 . Plan a migration strategy: After the installation finishes, check the Gerber Portal