How do you wear models and decals?

You can't they are used for studio

How to wear a Model:
1. Unfortunately, you won’t be able to wear a model in roblox if it isn't your own model.
2. You can however make your own model by going into your roblox studio, open toolbox tab then add model.
3. If you add a shirt model to your game and program it on a player, you can wear it but only in your game.

How to use a Decal:
1. In Roblox site, head on to your Inventory.
2. Choose a decal.
3. Copy the numbers in the link from your decal image (example https www roblox com / library / 1234567890 --- copy this number)
4. Go back to your game, tap on any picture frame, then paste in the image ID you copied from the Roblox site.