So first you have to install mobile vr station the you want to go to your meta quest browser and type in cx file explorer apk then click on the link and download it wait for it to download then you have to download it through mobile vr station I will link the video for that at the bottom then when u get cx file explorer make sure you already downloaded this so go to downloads then click on it it will take a minute click install then when it's done go to unknown sources and click on the game.
Here is the link on how to install cx file explorer through mobile vr station https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://www.tiktok.com/%40treehouse.gt/video/7250668067255110955&ved=2ahUKEwjSy_jpraaFAxWm38kDHTy8A0IQwqsBegQIExAE&usg=AOvVaw3v2jhKvohZ1OJu-qcqhQ3A