You can download the latest version of RealPlayer from the below link:
After installing, you just need to sign into RealPlayer software using the same email address to activate the Premium features. To do so, follow the steps provided in the below article:
Once you are signed in, you should see a star symbol (*) followed by your name located in the upper right corner of the player. The star symbol denotes that your Premium features have been activated.
To burn DVD, please refer to this article: https://customer.real.com/hc/en-us/articles/204041013
To change email address, follow the steps in this link: https://customer.real.com/hc/en-us/articles/207628858
Note: I wanted to let you know that we have edited your original post to remove your email address to protect your privacy. We do recommend that you refrain from posting personal information in a public Community forum.
I hope this information helps.