New to EQ

[spoil]

Hey, welcome!

You can change keybindings in the options menu (alt + o) under keys.

And you can play on full screen but I think the game plays best in windowed mode, but you can set the window to basically cover your entire screen except the taskbar. You can do this in your eqclient.ini file.

find WindowedMode= if it's FALSE, set it to TRUE, then change the values of these to set the size of your window:
WindowedWidth=
WindowedHeight=

Type /chatfontsize 1-6 to in any text box in-game to change the size of the text in your chat windows. If other parts of the UI are too small there are further steps you can take.