To play beyond a brief trial period, the launcher requires an "Access Pass" tied to a legitimate Nintendo Account purchase.
: Downloading pirated copies of Nintendo games is illegal and violates Nintendo's Intellectual Property policies Better Alternatives If you want to play or similar games without the risks of piracy: Thymesia Cloud Version Switch NSP Free Download
Unlike a standard game that runs natively on your console's hardware, a Cloud Version streams the game from a remote server. When you "download" the game from the eShop, you are actually downloading a small (usually less than 100MB) that connects your Switch to those servers. The Myth of the "Thymesia NSP" To play beyond a brief trial period, the