1. Receive email > Click "View in Test Flight"
2. You'll be sent to the browser with further instructions > Click "Get TestFlight app" if you don't have it installed already
3. Open App Store to download TestFlight
4. Install TestFlight on your phone
5. Go back to the message in your browser and copy the Invitation code
6. Redeem invitation code in the Test Flight app
7. Install the Workspace and enjoy :)