To edit your outfit on a level deeper than the in-game wardrobe, you need to inject code into your game's memory. That means most "Outfit Editors" are actually features inside larger mod menus (like Kiddions , Stand , or 2Take1 ).
You don’t download "Xdev." You download a mod menu (like Stand or the free Kiddions Modest Menu ) and then look for a community script called something like "YimMenu Outfit Editor" or "X-Force Unlocker." How To Download Xdev Outfit Editor
If you are a single-player modder on PC, go wild. Download Enhanced Native Trainer and build a cyborg clown cop. To edit your outfit on a level deeper