How to Install iCloud for Windows
To set up iCloud for Windows for use with the iCloud Passwords Chrome extension, you’ll need to download iCloud for Windows from the Microsoft Store before you can get the extension working.
How to Install the iCloud Passwords Chrome extension
Once iCloud for Windows is set up and running, all that’s left to do is install the Chrome extension, and you’ll have access to your familiar passwords whenever prompted.
A Note for Longtime iCloud Windows Users
If you’ve used iCloud for Windows before, you may need to reinstall or update the application first. This Keychain functionality is unique to iCloud on Windows 10 and requires iCloud for Windows version 12 or later. The best way to make sure you have the correct version of iCloud is to download iCloud from the Microsoft Store and keep this application up to date. In the iCloud for Windows app, you can see your software version in the application window’s top-right corner.