Not sure if it’s okay to plug media creators from outside DLN, but Ermanno Ferrari is putting out some great content on Arch Linux installations and the different DE’s that are available, how to install and customize them.
I’ve been an long time Arch user myself, but usually with KDE Plasma, he got me going down the i3 rabbit hole and I love it.
His YT channel https://www.youtube.com/channel/UCX_WM2O-X96URC5n66G-hvw