Complete noob here, it seems i cant find how to open Everquest 2 file on computer so i can download and instal darqui ? ive previously downloaded eq2 maps and Act
DarqUI isn't on EQ. You have to get it from the eq2interface folks. https://eq2interface.com/downloads/info4997-DarqUIUnified.html It comes with instructions.
It really depends on where you downloaded EQ2. If you open up file explorer and search for EQ2, it should show you where your EQ2 files are.