Thanks for the responses! R&L mouse buttons weren't working for movement but I might have messed up some mapping at some point. I'll definitely check out the keypad too -- thumb works fine - its my middle & ring finger I have to be creative with.

I've got some functional limitations with the fingers on my left hand so using the WASD for movement is challenging for me. I've seen posts about linking movement to the mouse.. holding r or l button to move forward and change directions but I can't seem to get it to work or find specific instructio...