shared album

Hello missierx,

Thank you for reaching out to Apple Support Communities, and we'll be happy to help in any way we can. We understand you're having issues with downloading videos from a shared album. Follow the steps here to download shared videos: Download iCloud photos and videos

"How to download photos and videos from Shared Albums

You can download copies of photos and videos in Shared Albums to your own library. Learn more about how to use Shared Albums. 

On your iPhone, iPad, or iPod touch

1. Open the Photos app, then go to the Albums tab.
2. Scroll down to Shared Albums and select an album. 
3. Tap the photo or video, then tap the share button .
4. Choose Save Image or Save Video.

On your Mac

1. Open Photos, then select a Shared Album from the left-hand menu. 
2. Select the photo or video.
3. Control-click a photo or video, then choose Import.

On your PC

In iCloud for Windows 11.1:

1. Choose Start menu > iCloud Shared Albums.
2. Double-click the shared album that you want to download photos or videos from.
3. Double-click a photo or video, then copy it to another folder on your computer.

In iCloud for Windows 7.x:

1. Open a Windows Explorer window. 
2. Click iCloud Photos in the Navigation pane. 
3. Double-click the Shared folder.
4. Double-click the shared album that you want to download photos or videos from.
5. Double-click a photo or video, then copy it to another folder on your computer.

To download the full album, open a File Explorer window or Windows Explorer window (Windows 7), open the Pictures folder, then open the iCloud Photos folder. Copy the Shared Album folder to another location on your computer. 

If you need help downloading your photos or videos

• Make sure your device isn't on Low Power Mode. Low Power Mode temporarily pauses iCloud Photos. Learn more about Low Power Mode.
• Depending on your internet connection and the number of photos you're downloading, it may take some time for your download to complete. 
• Want to make a backup of your photos? Learn how to archive or make copies of the information you store in iCloud.
• See how to transfer photos and videos from your iPhone, iPad, or iPod touch to your Mac or PC.
• Learn how to manage your iCloud storage."

We hope this helps.

Cheers!