Please review the points below if you are trying to activate and register Samplitude:
If you upgraded to a full version of Samplitude during a recent upgrade offer, you should have received a full version serial number. The full version (not the upgrade version) of Samplitude Pro X3 Suite needs to be installed in order for your serial number to be accepted. To ensure you have the full version installed, follow these steps:
There are two MAGIX Service Centers on our website with independent login areas. All consumer products are registered in the MAGIX Service Center. The professional audio products Samplitude, Sequoia and Spectral Layers Pro 4 are registered in the Pro Audio Service Center.
Use this link to go to the MAGIX Service Center:
Use this link to go to the Pro Audio Service Center:
To register Samplitude, you will either need to enter your login information for the Pro Audio Service Center or select that you do not have an account yet.
You can use the same email address and password for both Service Centers.
Once you've successfully activated and registered your copy of Samplitude Pro X3 Suite, go to "Help" > "Download sounds & instruments" to download and install Melodyne.