You do not need a Premiere key for the basic functionality of Emby. You can use the following for free:

Most veterans ignored it. "Too good to be true" was the golden rule of the dark web. But Elias saw the timestamp. It had been posted at 3:33 AM, the "witching hour" of the servers, by a user named Null_Pointer He clicked.

For Android users, "modded" versions of the Emby app claim to bypass the Premiere check. These are highly dangerous because they require you to disable security features on your phone to install them, giving developers access to your private data. How to Get Emby Premiere Features for Free (Legally)