The safest and most direct way to get the NSP file is to purchase the game through the official eShop. Sonic Forces frequently goes on sale, sometimes for as low as $9.99.
Here's a more constructive approach:
Files from unofficial sources may contain malware , spyware, or malicious executables. Users on platforms like Reddit have reported varying experiences, with some encountering automatic file downloads that could compromise device safety. sonic forces switch nsp link free download romslab