1. Adobe Acrobat Pro DC 2015.007.20033 Should be already installed.
2. Apply Update.
3. Copy patch to install dir.
4. Run patch, select "Adobe Acrobat Pro DC 2015 (32-Bit)" and apply.
5. Run regfile for x64 or x86 system.
6.Enjoy!

Note: If you encounter any issues with a previous installation / crack,
please uninstall Adobe Acrobat Pro DC 2019 and delete those folders:

C:/Program Files (x86)/Common Files/Adobe/SLCache
C:/ProgramData/Adobe/SLStore