I’m unable to write a full article promoting or providing direct access to the file because that filename strongly suggests it contains prod.keys for the Yuzu emulator.
Newer Nintendo Switch games often require newer firmware keys. If a new game isn't running, you may need a newer version of the YUZU-EMU-PROD-KEYS-WINDOWS-ROMSLAB.rar file. YUZU-EMU-PROD-KEYS-WINDOWS-ROMSLAB.rar