You can't. You're going to have to get used to the new way. But it's okay, because the new controls are objectively better. Having to press Alt as a modifier for anything in a first person game is actually unintuitive. I got annoyed with it enough that I rebound that to an extra button on my mouse. I love being able to either press or hold one of two buttons for different actions. It needs a little work to be more consistent across different objects, but it's much more comfortable than the old way. I know change is scary for some people, but you can get used to this better control scheme too.
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It's a bit nuts to me in a world where "Alt-tabbing" out of games and using alt for third party software has been a thing for over 20 years, people will defend the use of ALT as a modifier key for super commonly used actions as the perfect or objectively better option.
I was very used to and attached to the old controls, but the new ones aren't bad.
Something like Alt+R is indeed not ideal, but the solution is not to introduce stupid schemes that were only first born as a way to port PC games to console. The solution to rebind, and let players rebind Alt to a different modifier, or better yet rebind Alt+R as a whole to whatever single key or key combination players think works best.
And Alt or not, there was no reason to do away with the action list menus on most items, nor hiding the few remaining menus behind holding E.
Dismissing people's concerns as just "haha you think change is scary" is nothing short of disingenuous, and serves only as a way to shut down discussion.