The accepted answer, which was correct at the time, is now wrong. In this specific case, the program mentioned (frog) no longer exists.
What is the best practice?
Edit the original, accepted answer? (In this case, I would end up changing 99% or more of the answer)
Create a new answer, with the correct and updated info.
I feel like such a wholesale update for 1 isn't correct, but option 2 might not be noticed.
What is the correct way to update answers that were correct a long time ago, but are no longer correct?