shasum -a 256 Adobe-Acrobat-DC-v20.013.20074.dmg
The .dmg file is a disk image that mounts on the desktop or Finder sidebar; users typically open it and run the included installer to apply the patch over a base DC installation. Adobe-Acrobat-DC-v20.013.20074.dmg
Installing this version on a disconnected Mac is refreshingly possible. No internet connection required. No Adobe ID, no credit card. shasum -a 256 Adobe-Acrobat-DC-v20
If you have a copy on a hard drive, clone it now. Adobe has removed all direct download links for the Classic Track 2020. This build is abandonware—functional, fast, and forever free from the subscription doom loop. especially .dmg files from third-party sources.
It's a good practice to run an antivirus scan on downloaded files, especially .dmg files from third-party sources.