1: Start the game up, make the changes to controls, mouse sense etc that you'd like. Save and quit.
2: Find the Swat4.ini file and follow the link's description of what to edit. Remember the last step of setting the file to Read Only in the Swat4.ini file's properties, or SWAT4 might reset your changes next time you start the game. Now start the game up again. Play. Remember that you might have to actually be in a mission to see the effect of widescreen properly.
If you can't see Swat4.ini it might be hidden in Windows 10. You can show hidden files by opening your File Explorer in windows, go to View tab at the top, and toggle on Hidden items. It is shown as a Swat4 configuration settings file (it has a cog symbol).
I don't really care about perfect lip-syncing and all that finer detail of muscles in faces and so on.
It is easy for me to say, but I wish BioWare would start over with their character animation style. It wouldn't be a moment too soon. Just movement in general, and the way one animation transitions into the next animation. It looks so similar between one game to the next, Mass Effects and Dragon Age, the evolution of those characters look like they crawled out of the same hole in the floor, sometimes its like you see the same NPCs cross over. Textures look better, but I don't know, there's something there that irks me and I can't shake it.
"I just thought they looked kinda dated stylistically."
Yes, I think it is fair to wish for something different - not that what they've shown isn't 'OK' and serving its purpose, it's just not impressive in any way.
I gotta say I'm a little worried Alexis Sanchez will leave Arsenal and go to China. Looking at Oscar's deal which is reported to earn him £400,000 a week, it's going to be hard to turn down that kind of money.
We're going to see this happen more and more as China attempts to build a league. Nobody can compete with the money they can spend. If enough stars go there for more money than they'd get in Europe, it'll be more interesting for others to follow and for people to watch. The Oscar deal you're talking about is rumored to be for £60 million (!).
I think Sanchez will settle with something a bit lower just to stay in a high-reputation league. The Oscar money is crazy though; he's just playing football not saving the world.