If you need the features of Acrobat Pro, there are several safe and legitimate ways to access it:
Pirated software cannot be updated. This leaves your system vulnerable to PDF-based exploits that Adobe regularly patches in legitimate versions. How to Get Adobe Acrobat Pro Legally adobe acrobat pro dc serial number list 2017
Any serial numbers found on public forums or "keychain" websites are quickly identified by Adobe and blacklisted, rendering them useless. The Risks of Using "Free" Serial Numbers If you need the features of Acrobat Pro,
In the past, software used "static" serial numbers—a simple string of digits that could be shared. However, Adobe moved away from this model years ago. adobe acrobat pro dc serial number list 2017