If you need to do more than just read, certain tools provide editing capabilities specifically for older Windows versions.
: A solid choice if you need to edit or annotate PDFs on an XP machine for free. skachat pdf dlia vindovs xp
For features not supported by legacy desktop apps, you can use through an updated browser (if available on your XP setup): PDF Expert If you need to do more than just
: An all-in-one maker and editor that specifically lists compatibility for Windows XP, allowing users to merge, compress, and sign documents. PDF Editing and Management on XP PDF Editing and Management on XP : A
: A feature-rich alternative that remains faster than Adobe. It includes tools for collaboration, digital signatures, and handwriting recognition.
Since Windows XP has limited system resources compared to modern OSs, choosing a lightweight reader is essential for speed and stability.