Adobe is aggressively moving to the cloud. Their ideal scenario is the "Stub Installer" constantly checking for updates. However, the US Department of Defense, major banks, and hospitals demand offline installers for security compliance. Therefore, Adobe is forced to keep providing them to Enterprise and Teams customers.

Once you have the offline installer (usually a large or .zip file around 600MB–1GB): Offline installer for Acrobat DC Pro - Adobe Community

In an era where almost every software installer is a "thin" web-stub that downloads files on the fly, finding a full, offline installer for Adobe Acrobat Pro DC can feel like a scavenger hunt. Whether you're an IT admin managing a fleet of computers or a user with a spotty internet connection, having the full setup file on hand is a lifesaver. The Problem with Web Installers

Unlike the standard "stub" or "web" installer—which is just a tiny file that downloads the rest of the software during installation—the offline (or "full") installer contains every byte needed to get the program running. Once he had that 1GB+ file on his thumb drive, he could return to his cabin, disconnect from the world, and still edit, sign, and secure his PDFs.

Having the right installer at the right time ensures you stay productive, no matter where your office is located today. system requirements