I hope you find this computer to be a great daily driver!
You probably have libre office already, but that will be your word processor, spreadsheet, etc.
If you need games try Steam which has a big selection of games for Linux.
Gimp is a full featured Photoshop alternative and is excellent.
VLC is the "everything" player for movies and music and supports podcasts too.
Tor is great, but I think poal blocks Tor, so you need a normal browser. Try Firefox ESR to be conservative, but there are heaps of options.
Evolution is a common email and calendar program.
You should be able to move in to Mint and make it work well. Welcome aboard!