1. Can you tranfer Photo Enhancer AI to another PC?

Yes, you need to deauthorize it from the former installer then reinstall and authorize it on the new PC.

  1. I have DVDFab Multi-Authorization for 3 PCs, can I install it to another PC?

Yes, you can install it on another PC. The 3 PC license will enable the license under your account to be able to run on total 4 computers. 

  1. Does DVDFab All-In-One Lifetime Gift include Photo Enhancer AI?

All-In-One includes all the programs inside DVDFab 12. Photo Enhancer AI is a stand-alone program, it is not included in All-In-One.