How do you change weapon switching to mousewheel?

[Shell]

I changed it to arrow keys and can't get it back.

[Ad Bot]

[Pacnet2012³]

Press Options, go to Controls and click Defaults then click Two Mouse Button + Wheel.

[Shell]

Thanks.

[Mold]

If you don't wanna reset everything to default go to config/client/config.cs and find the right line there