Thank you for the update, petercoota.
With the option still not showing after completing those steps, you would want to proceed with uninstalling and reinstalling iCloud for Windows. Those steps are listed below and can also be found in the section "Turn off or uninstall iCloud for Windows" of the previously linked article.
"If you want to uninstall iCloud for Windows, remember to make a copy of your iCloud data and save it on your PC. Then sign out of iCloud for Windows on your PC, and follow these steps:
Windows 8 or later:
Go to the Start screen, right-click in the bottom-left corner or click, then select Control Panel.Click Uninstall a Program.Click iCloud > Uninstall.When asked to confirm, select Yes."
The steps to reinstall iCloud for Windows are also listed below.
"Download iCloud for Windows on your PC. Windows 10 or later: Go to the Microsoft Store to download iCloud for Windows. Earlier versions of Windows*: Download iCloud for Windows from apple.com.If it doesn't install automatically, go to File Explorer and open iCloud Setup.Restart your computer.Make sure iCloud for Windows is open. If it doesn't open automatically, go to Start, open Apps or Programs, and open iCloud for Windows.Enter your Apple ID to sign in to iCloud.Choose the features and content that you want to keep up to date across your devices."
If you continue to have issues after uninstalling and reinstalling iCloud for Windows, the next step would be to contact Apple. You can find their contact information via the Get Support website.
Take care!