Basic Setup
Setup Steam Deck From Beginning
If you need some guidance on the basics of using a Steam Deck, this video by Fan The Deck is very helpful in guiding you through the basic stuff you can do with a Steam Deck.
Decky Loader
Tool To Improve Performance
Decky Loader is basically a store that includes various plugins that can be used to sylize your menus, change system sounds, change system settings, and more.
CryoUtilities
Tool To Improve Performance
CryoByte33 is a software developer that made the Steam Deck tool CryoUtilities. This tool helped our performace immensely. It goes over swap files, VRAM, memory, thermals, and more stuff that normal people do not care about. Do yourself a favor and install this so you can feel the boost in power.