Please find a detailed list of steps that you can follow in order to activate your newly purchased plugins:

1) Download the plugin either from your Manage Registered Plugins page or by using our Installation Manager
2) Once the plugin is installed, open up your DAW and find the plugin in your list of plugins
3) Drag it onto a track and the greyed out GUI will popup 
4) Once the licensor window is displayed on the screen, click on 'I'm Online', then enter your Email and Password that you use for your Plugin Alliance Account
5) Click 'Activate' and the licensor will contact the server and authorize your plugin