You could use iTunes in Windows https://support.apple.com/en-us/HT202039 https://support.apple.com/en-us/HT202039 If you don't have a Windows license, you can

You could use iTunes in Windows https://support.apple.com/en-us/HT202039 https://support.apple.com/en-us/HT202039 If you don't have a Windows license, you can get a trial VM from here https://developer.microsoft.com/en-us/windows/downloads/virtual-machines https://developer.microsoft.com/en-us/windows/downloads/virt... Yes it is a pain that Apple doesn't offer a simple webpage for subscription management.