What is needed to make a Non-Playable Character walk?

In my game, I have a model that I copied from my player by changing the Archivable value to true, then copy-pasting. When I run a script with the MoveTo function, the NPC doesn't go anywhere. I want the NPC to walk to a point, so I used:

NPC.Humanoid:MoveTo(game.Workspace.WalkToPlatform.Position,game.Workspace.WalkToPlatform)

I receive no errors, but the NPC doesn't move. None of his parts are anchored, just to get that out of the way.

This works fine when I test it.

It's possible that one of the NPC's legs is being attached to the group because it has inlets, welds, etc. Make sure the bottom surface is smooth. It's also possible that your script is disabled. It's also possible that your script won't run because of its parent, like a LocalScript in workspace or a server Script in PlayerGui.

Setting the WalkToPoint should work as well, but using MoveTo() is fine.