256MB of RAM (512MB is highly recommended for stability). Storage: At least 320MB of available hard-disk space. Display: 1024x768 screen resolution. OS Level: Windows XP SP3 (32-bit) or SP2 (64-bit). How to Install Acrobat Reader on XP
The dominance of Acrobat Reader on Windows XP made it a prime target for malware authors. As Windows XP matured, vulnerabilities in Acrobat Reader became one of the most common vectors for infection. Adobe had to introduce a frequent "patch Tuesday" update cycle to address exploits where malicious PDFs could execute code simply by being opened. acrobat reader xp
This is widely cited as the last official version to maintain support for Windows XP. It requires Service Pack 3 (SP3) for 32-bit systems or Service Pack 2 (SP2) for 64-bit systems. 256MB of RAM (512MB is highly recommended for stability)
This version is considered the final officially supported version by some technical documentation before Adobe began "unofficially" allowing later builds like XI to work through manual installations. OS Level: Windows XP SP3 (32-bit) or SP2 (64-bit)