How do I install Daggerfall mods? I have one from nexusmods that says just unzip into the "mods" folder, but I can't find one for Daggerfall. Any help would be appreciated!

no it's not a porn mod, don't worry.

They probably meant for you to use Daggerfall Unity, seeing as trying to mod the original Daggerfall feels like a fool's errand given it was already made with duct tape and taupe.

Here's some very basic info on Daggerfall Unity, which, as Darvond said, is probably what the mod's for (especially since you got it from Nexus Mods).

If you're interested in it, here's its creator's guide to installation. (I wouldn't bother with the GOG Cut, as it's now out of date, and had incompatibilities and odd choices even when it was new.)

Also, you'll bee more likely to find knowledgable help in the GOG Elder Scrolls forum than in General Discussion. ;)