Sorry to hear about your husband Kelly, I am twice a widower :>(
A Smart Television always has a button on the remote with something like 'smarthub' on a button. Also the back will have a socket for a network cable which looks like a big telephone cable. This is to connect it to an internet router, or cable box.
You can see the details on the television if you search Google for
make model specs.
You need some sort of converter box for cable, satellite, or even an over air telephone signal. In a condo, you just have a socket for an aerial cable.