The first thing to check is that iCloud Drive is enabled on your computer or not. Follow these tips properly, and your problem will be resolved in no time. When iCloud Drive gives you troubles, you can resolve them with one of the finest solutions mentioned in the guide below. It sometimes takes a lot of time to upload or download any data.
ICloud isn't the finest cloud-storage when it comes to windows 10. Q: How to fix iCloud Drive not syncing on Windows 10 issue?