Here’s a forum-style post you can use or adapt: K-Lite Codec Pack for Windows XP 32-bit – final working version?
During install, choose “Profile 2: Standard” – it gives you a good balance without breaking system stability. Also, don’t install the 64-bit extras (won’t work on 32-bit XP). k-lite codec pack for windows xp 32 bit
Anyone else still maintaining an XP retro PC? What players/codecs do you use? Here’s a forum-style post you can use or
Just a heads-up for anyone still running Windows XP 32-bit. If you need a reliable codec pack for playing videos (old AVI, MKV, MP4, etc.), the last fully compatible version of K-Lite Codec Pack is (released in early 2020). Anyone else still maintaining an XP retro PC
Even with K-Lite, modern websites won’t play video properly because XP lacks modern TLS/certificate support. This pack is mainly for local media files.