If you use both Apple and Windows devices, then you should also be using iCloud for Windows. It’s an app for your Windows system that enables you to access iCloud data and features from your PC.
To get started, first download the app from Microsoft’s App Store.
What is Apple’s iCloud?
iCloud is an essential component across the Apple universe. It’s used to share iCloud Drive files, sync contacts, devices, and other personal data, and to provide access to a variety of Apple’s services including key apps such as Photos and Mail. You also get access to limited collaboration and sharing features along with a powerful password manager.