as Administrator:
This is the last major version to officially support Windows XP SP3 (32-bit) or SP2 (64-bit). Version 11.0.08 is often cited as the final update specifically tested and confirmed for XP. adobe reader windows xp offline installer
It is vital to remember that
Always verify with certutil -hashfile AdbeRdr11023_en_US.exe SHA256 after download. as Administrator: This is the last major version