Adobe Acrobat X Pro reached its end of support on November 15, 2015 was the final "planned update" for this product line. Download Sources
Compatibility: Primarily designed for Windows (XP, 7, 8) and older macOS versions.
When you finally find the legitimate .msp file (the Windows Installer Patch), and you double-click it, there is a moment of tension. Will it validate? Will it reject the serial number? When the progress bar finishes, and the "About" screen confirms Version 10.1.16, there is a distinct sense of relief. Adobe Acrobat X Pro Update 10.1.16 Download
Adobe Licensing Website: If you purchased a volume license, you can still download the installer through the Adobe Licensing Website (LWS).
Yes, absolutely. Running Acrobat X Pro without update 10.1.16 is a security risk. The patch fixes the "CoolType.dll" exploit (CVE-2015-3050) and several other vulnerabilities that allow malicious PDFs to take over your PC. Adobe Acrobat X Pro reached its end of
Issue 2: Activation server errors
Adobe Acrobat X is no longer officially supported, so the "Check for Updates" feature within the app may not work. You can download the update manually using these methods: Will it validate
Official Release Notes: The Adobe Release Notes page provides links to the .msp (Windows) and .dmg (Mac) installers.