What is the process to register the Plug-in in CRM?

Connect using the Plug-in Registration Tool 1. After you download the Plug-in Registration Tool, click the PluginRegistration.exe to open it 2. Click create new connection to connect your instance 3. Make sure Office 365 is selected. If you are connecting using a Microsoft account other than one you are currently using, click Show Advanced. 4. Enter your credential and click Login 5. If your Microsoft Account provides access to multiple environments, you will need to choose an environment. 6. After you can connect, you will see any existing registered plug-ins & custom workflow activities