Browse to magix.com, click the My Account icon top right of the home page
Login using the email address and password you registerd the software with.
Select My products
You should now see the download links, serial number and activated device.
To use MEP on the new laptop the old computer installation will be deactvated this will be done after you install and register the program on the new laptop.
You do not need to uninstall MEP from your old computer - the licencing allows you swap devices - however you can only do this once per month .