Getting updates and software for old Windows - skipster1337's Site

https://skipster1337.github.io/posts/windows-software.html

that I find useful on computers running old Windows versions. Most of everything that makes up this list is taken from this document (which you can find on the r/windowsxp sidebar

Paint.NET - Free Software for Digital Photo Editing

https://www.getpaint.net/

image and photo editing software for PCs that run Windows. It features an intuitive and innovative user interface with support for layers, unlimited undo, special effects, and a w
Paint.NET is free image and photo editing software for computers that run Windows.

Windows XP Guide

http://www.prints.pink/unlisted/windowsxp.html

(or using two separate computers, if you prefer). You might also want to look into the One Core API for Windows XP, although I won't be discussing it here as I know nothing about

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