If you have purchased a DesignShop 12 license and created a MelcoCloud account, but DesignShop 12 still runs as SIZER when logging in, follow these steps:
In DesignShop 12 SIZER, click on Tools - Security...
In the Security window, click Activate/deactivate license
Click Deactivate this Computer
Enter your MelcoCloud Username and Password and then click Log In to your Melco Cloud
DesignShop 12 should now run at the level of your purchased license.