I know that installation via drag and drop should be simple, but I experienced the following:
Tried to copy DEVONthink Pro from disk image to my Applications folder.
Replace
OK
OK
Renamed existing DEVONthink Pro to DEVONthink PRO 2.0pb1. Tried again to copy. Copy completed. Placed DEVONthink PRO 2.0pb1 into Trash; tried to empty Trash:
Continue
Continue
Continue
Continue
Continue
Continue
Trash finished emptying what it could. Logged-out. Logged-in again. Tried again to empty Trash. Trash emptied successfully. DEVONthink Pro launched successfully.
DEVONthink Pro works well for me. Thanks.
Cheers – K