Open admin.google.com from your browser and sign in as an Administrator
Navigate to the G Suite Marketplace (this can be done by going there directly or through your G Suite Admin Panel > Apps > Marketplace Apps > + icon in the top right of the tool bar).
From the menu of the Marketplace search for "CloudM Manage" and click on the tile shown:
You will then be brought to the CloudM Manage app page, and from here you can either install the app, if you haven't already, or launch the app itself.
If you are installing the App, you will be asked for confirmation to install the App. When you click confirm, you will be asked to enable the permissions required for CloudM Manage to work on your domain.
Once you have agreed, you should get some confirmation screen within G Suite with 2 pages saying what to do next.
Once you have read over the information and are happy, you can now go into CloudM Manage from the Launch Button, via URL or through the app launcher in G Suite.
After you have installed CloudM Manage:
To open via the Google App Launcher
Top right of your browser window.