Here is the hard truth you need to know before clicking that link. Let’s be crystal clear: Princess Peach: Showtime! is a Nintendo Switch exclusive. It is developed and published by Nintendo. Nintendo does not release its mainline first-party titles on PC (Steam, Epic, or GOG). They never have, and they almost certainly never will.
It bypasses that legitimate process and is the #1 way to get your computer infected. The Bottom Line Do not search for "princess peach showtime pc full version download." download game princess peach: showtime! pc full version
If you see a YouTube video or a website promising this, report it. If you accidentally download a file, run a full antivirus scan immediately. Here is the hard truth you need to