Download the official from Adobe's public enterprise support pages.
Mac:
Acrobat X Pro for Mac was 32-bit. You cannot run 10.1.16 on modern macOS. The only solution is to run macOS Mojave (10.14) or older, or use a Windows virtual machine.
: Detailed release notes and installation instructions for this planned update (released October 13, 2015) are available on the Adobe Acrobat ETK site .
To avoid corrupted download files, download Adobe Acrobat X Pro version 10.1.16 from the official Adobe website: