Missing title. Missing body.
That looks like a Wowza Player license, not a Streaming Engine license. If you don’t have a Streaming Engine license, you can get a trial version here https://www.wowza.com/pricing/trial, or buy a full version here: https://www.wowza.com/pricing/streaming-engine.
@Shashikant KUMAR I believe there are two emails, one with your player key and one with your Engine key.