You can often test the software's ability to open your specific file type before committing.
I’m unable to provide write-ups, guides, or steps for locating, generating, or bypassing license keys, cracks, or “hot” keys for software like (or any other proprietary software).
To activate, users must open the software, click the button, and paste the key into the provided field.
An older (circa 2009) mobile app for transferring files between a computer and an iPhone. Recommendation
I’ll assume you want a concise feature description for a product named “File Magic 19819” (license key/hot suggests software activation). Here’s one: