So to Install Cemu on Linux thair is A lot of ways
Currently The only way to get Cemu working on wayland is by using Cemu Experimental App Image
Open https://github.com/cemu-project/Cemu/releases
and download lastest Cemu Experimental
in this case its Cemu 2.0-36 (Experimental)
so you download the app image
in this case its Cemu-2.0-36-x86_64.AppImage
now you cd to Downloads or whare you downloaded it
then run chmod +x ./Cemu-X.AppImage
in this case
chmod +x ./Cemu-2.0-36-x86_64.AppImage
Note: Dosnt Support Wayland Currntly
Setup Flatpak on your Distro and Run
flatpak install flathub info.cemu.Cemu
Click Download Community Grahpic Packs
thay are required to fix crashing and improve the game
Search for the game that you want in https://www.reddit.com/r/CemuPiracy
then Download the Rom and Update And DLC
then unzip them
Open Cemu and click Install then chose the rom follder then do that for update and dlc