I bought a SwannView security system and I didn’t use it can I return it at any store with my receipt?

You should be able to depending on how long ago you bought it. There might be a time limit.

I don't think you can anytime. Look up their return policy. But I heard a story where somebody returned their Apple Watch a while after she was supposed to have it back used and everything without the box because she didn't think they'd return it, and they took it. It wasn't out here in Wisconsin but it don't hurt to try even though you're outside of the return window.