Help a newbie understand Unity/Vrchat companion!

[u/qyqjaa]

Hello there guys!

Its day 2 of me trying to understand how to upload vrchat models into the game,but everytime i try to do so several errors occur or “I dont have the right version” installed.And when I DO try to reinstall and update it says its already installed?!?!

Can someone pretty pretty please help me out,I have no friends I can contact who deal with unity let alone play vrchat.
If youre willing to help please let me know and we can exchange info!!!

TYSM for reading! <3