Xbox PC app will soon let you use mods and custom install folders

It seems you'll be able to move installed games to another location too.

How to Install Minecraft Mods

How to Install GTA 5 Mods on PC: 101 Complete Guide to Everything

How to Install GTA 5 Mods on PC: 101 Complete Guide to Everything

Xbox App on PC now allows you to select the folder to install games - gHacks Tech News

Starfield Mod Installation - General Starfield Discussion & Support - Step Modifications

Xbox App New Update to Allow Access to Game Files for Modding

Microsoft makes it easier to mod Game Pass and Windows Store PC games

Xbox Game Pass for PC getting custom install folders and mod support

Xbox App on PC now allows you to select the folder to install games - gHacks Tech News

Preparing Minecraft Modpacks: Manifest Files, Minecraft

Beginner's Guide to Modding Persona 5 Royal(MS) [Persona 5 Royal (PC)] [Tutorials]

PC Xbox App Removes Installation Restrictions, Allowing Modding [Updated] - IGN

Xbox One/Series) Adv File Explorer (2022) (Retail Mode)

Getting Started. mod.io manages the searching, storage…, by Scott Reismanis

Microsoft updates its Xbox Game Pass for PC store, allowing users to mod games and choose install folder