well.. the proper way.. as microsoft would probably tell you .. is not to do it.. because i believe the pictures for startup screens are imbedded in exe's.

Custom Steam Deck boot videos are all the rage, and Valve's latest beta update makes it even easier to use your own start screen. The newest patch also addresses quirks with startup haptics, and ...

TL;DR: Are you tired of that stock boot animation on your Steam Deck? Here we'll show you a few cool alternatives and tell you how to put them to use. It's not hard and can be a fun (or funny) way to ...

It’s now easier than ever to add a custom boot screen to your Steam Deck. And trust us, if you have a Steam Deck and haven’t considered doing this yet, you should. There are some really cool ...

As Steam Deck custom boot screens go, this one is definitely for the gamer who favours the, shall we say, more adult-centric material. It's a literal case of, 'if you know, you know,' but this ...

Windows 11 offers plenty of customization options to make the operating system feel more like home, with even more options ...