Method A — Using the license file:

Method B — Entering license string in Serviio Console:

Method C — Web-based activation (if provided in email):

The specifics of what "version 17" entails in terms of features or changes are not detailed in your query. Generally, new versions of software like Serviio Pro may include:

Websites offering "Serviio Pro license file 17" or "cracked keygen" are almost always malicious. Here’s why you should avoid them:

Some users stick with version 1.7 because:

Legitimate options for version 1.7:

If you already own a Pro license for 1.7 (purchased around 2014–2016), you can reinstall it using your original .license file. Contact Serviio support if you lost it; they may help if you provide proof of purchase.