First of all, it wouldn't be unreasonable to go over all the previous tips:
- Control Panel (Open "This PC" and click "Up"/press ALT+Up arrow to find the link to Control Panel) -> Programs and Features -> Turn Windows Features On/Off where you should turn off Media Features and press Ok. After the changes have been applied return to Turn Windows Features On/Off and turn the Media Features on. A reboot may be required to apply some of this changes.
- Check that the following items are installed (install missing):
VP9 Video Extensions
Web Media Extensions
HEIF Image Extensions
HEVC Video Extensions from Device Manufacturer (free) and/or HEVC Video Extensions (paid)
3. Open Settings App -> System -> Optional Features -> Add Optional Feature where you should select Windows Media Player Legacy (App) and proceed to download and install.
You don't have to reboot after steps 2 and 3. Just launch the iCloud setup again and wait for it to complete (asking you to reboot). Done!
Tested on Windows 11 Pro 23H2 22631.4602