You can add your digitized memories to Google Photos using MemoryCloud, where you can access your Digital Copy. Below are instructions on how you can add your digitized memories using MemoryCloud: 

1. Sign in to your MemoryCloud account. 
2. Click on the thumbnail of the Digital Copy you want to save. 
3. From the Digital Copy viewing page, click "Add to Google Photos". 
4. You will be redirected to Google to authenticate your Google Account. 

Once your digitized memories have been added to Google Photos, you will receive a confirmation email.