(Please also see the intro video "Adding a Linked Album to a Collection" in the Help category: Basic Concepts.)
You will first need a Google account. If you already have one, then you have access to other Google apps, including Google Photos.
If You Do Not Have a Google Account
On a mobile device, download the Google Photos app and create an account
If You Have a Google Account but have not Used Google Photos
Once you’re signed in, simply follow the instructions presented to start uploading your photos and videos. This can take a while if you have a lot of images and videos, so maybe you just want to let it run for a while and then come back to organizing. You can upload photos from your phone via the mobile app or from your computer using the desktop app.
Once You Have Photos in the "Google Photos" App
Open the Google Photos app
Tap on Library at screen bottom
Tap on + New album box
Add a title. Tap Done
Tap on + Select photos
Tap corner of photos to add check marks for those you want to add. Tap Add.
You’ll return to the Album summary page where you can add more photos if you’d like by clicking the [+] photo icon
NEW FEATURE: Click the 3 dots in top right and choose Options
Turn on "Link sharing" button (slide to the right)
Choose other options you prefer and then press Copy Link
You now have a share link for this new album that can be added to a collection in MyFamilyArchive.