I don't think I tried to change keys but I think you can do it, just click on your icon top left corner (where my robot is with number 4543)

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Then click on Controls and then Yellow button saying Customize >

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And you supposed to be able to change key mapping here:

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Whether it works or not i can't tell... 

Thanks for the question, I discovered I can tweak FOV there to 90.. I will give it a try.. who knows i might like it

That customize button has been in the game for years and it doesn't do anything. I have never seen them respond to whenever the subject has been brought up either. 

The customize button is more-so for mobile devices to move the UI elements around. It doesn't allow you to change the keybinds, unfortunately. 

Lol u cant change keybindibgs hahahaHaHaHAAhhAhahahaAhaAhaAhahaAh😂😂😂😂😂😂😂😂🤣🤣😂🤣😂😂🤣p.s i know why u use sdef as former wow raider that its peak used 38 keybinfings 🤪

It'd have been much easier to play, if we can customize P.C. keys because the controls are quite hard. Left hand takes care of the movement, Spirint and Abilities are quite difficult to control. Weapons are controlled by my dominant right hand (Just 2-3 keys for my right hand, and almost 6 keys for my left hand!)

Hehe. Same. I use to hardcore WoW raid as well. ESDF is king even after MMO mice came along. Once you start using ESDF, you wouldn't want to go back to WASD.👍 

I find ESDF more comfortable than WASD. The left hand gets a little closer so I can manage the aim using my left thumb (I have not played the game using ESDF, but just kept my hand on the keys and surprisingly, it was much easier than WASD)