For features not supported by legacy desktop apps, you can use through an updated browser (if available on your XP setup): PDF Expert
: A solid choice if you need to edit or annotate PDFs on an XP machine for free. skachat pdf dlia vindovs xp
: 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 For features not supported by legacy desktop apps,
Since Windows XP has limited system resources compared to modern OSs, choosing a lightweight reader is essential for speed and stability. : A comprehensive editor that works across all
: A comprehensive editor that works across all versions from XP to Windows 11, focusing on superior performance and a user-friendly design.
: Known for its robust annotation and markup tools. The version compatible with Windows XP allows for basic editing and managing of files.
: One of the smallest readers available at only 1.43 MB, making it ideal for systems with very low storage or memory.