okay after you download his clients (that you can find on this forum)
You'll need these https://cdn.discordapp.com/attachments/907114386697646130/982132315260059688/Sta...
When you insert them in the game, there will be 3 models named Workspace, Lighting and StarterGui
NOTE: gage messed up and called the model StarterGui instead of StarterPack.
Then, taking the workspace model for example:
Cut the workspace model,
Paste it in Workspace,
Ungroup it too (I don't know if it's necessary but I do it like that)
And then do that for the other 2 models.
REMEMBER THE STARTERGUI/STARTERPACK THING I SAID EARLIER
for anything I can do, let me know :)