Last working version of Adobe Acrobat Reader for Windows 7

Last working version of Adobe Acrobat for Windows 7 was last year's release in 2025 which was 25.001.20997. 

Turning off updates: Run-> Services.msc -> Adobe Acrobat Update Service - disable and stop.

Remember to Harden Adobe Acrobat Reader 

Safer and faster alternative: 
Get XpdfReader PDF software

Download Adobe Acrobat Reader v 25.001.20997

x86 - working
https://ardownload3.adobe.com/pub/adobe/reader/win/AcrobatDC/2500120997/AcroRdrDC2500120997_MUI.exe

Adobe Acrobat Reader DC MUI stands for Multilingual User Interface. It is a special distribution of Adobe Acrobat Reader designed so that one installer contains all supported languages, and the application can switch languages dynamically based on system settings or enterprise configuration. 

x64 

Note: Did not work on my system as it did not meet requirements - here for completeness

https://ardownload3.adobe.com/pub/adobe/acrobat/win/AcrobatDC/2500120997/AcroRdrDCx642500120997_en_US.exe