I spent half my day installing mods for this game. I managed to get them all working as they should, and the game launches perfectly. But the only problem is that since I launch with SKSE, I don't get to choose whether to play in windowed mode or fullscreen. Anyways, I really need help with this.

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EDIT: I figured it out. All I had to do was change the "bFull Screen=0" to "bFull Screen=1" in the SkyrimPrefs.ini (This PC > Documents > My games > Skyrim)

But now I have two new problems. How do I change the resolution and mouse speed? That you can't do through a .ini

As far as I know, the only way to choose modes is through the Steam launcher. However, once you've set the option, it should work for an SKSE-launched session. At least, it did for me when I did a quick test.

Yeah, that doesn't work for me. It detects my hardware and then instantly crashes. But I figured it out anyways.

What was the fix?