Yes the trial version is free for 3 months, then you have to make a Linux account to purchase activation key for the full upgrade to unlock changing themes and recieving updates unless you’re okay with occasional popup reminders every 2-minutes that your Linux copy is not been activated.
/s lol
I know this is a joke. I know that. But I keep thinking of switching to Mint, and now there’s going to be a part of my brain saying: “wait, there was some reason not to do that… I don’t remember what, but it sounded pretty bad…”