And you can check the official website of Apple’s System Status to see whether iCloud is active or not. There’s a dedicated page showing you the status of Apple devices: active or disabled.
If the storage space of iCloud is insufficient, you can clear up some of your files, or upgrade your iCloud account to get more storage space. Thus, you can launch your iCloud and view the storage space to see whether you run out of it or not. If the storage space on iCloud is full, newly added items cannot be synced on Windows 10 successfully. Network Troubleshooter Solution 3: Check iCloud Storage Space
