Hi Asquaredd,
Thank you for using the Apple Support Communities. I see that you are having some issues signing into iCloud for Windows. I use iCloud all the time so I can understand wanting to be able to sign in. I found some support articles that go over troubleshooting steps to take for the iCloud for Windows issue.
Get help using iCloud for Windows
Particularly this section:
Try these steps first
Install any updates on your computer, and check for updates to iCloud for Windows.
Make sure that you meet the system requirements for iCloud for Windows.
Check your Internet connection. Try to go to www.apple.com or another webpage.
Check the System Status page to find out if there are any known issues.
Set up and use iCloud for Windows
Cheers!