What do I do after I go to icloud

Set up photo library from the device Set up and use iCloud Photos - Apple Support

Turn on iCloud Photos

Make sure that you set up iCloud and sign in to iCloud with the same Apple ID on all of your devices. 

On your iPhone, iPad, or iPod touch

1. Go to Settings > [your name].
2. Tap iCloud.
3. Tap Photos, then tap the switch next to Sync this [device].

Download photos and videos from your iPhone, iPad, or iPod touch

1. Open the Photos app, then select one or more photos or videos. 
2. Tap the share button .
3. Tap AirDrop, then select the device that you want to share with. Learn more about using AirDrop

For large numbers of photos, learn how to import your photos instead.