Unable to sign into iTunes - access your data on iCloud

Simply put I need to restore an iPhone that my daughter has accidently disabled after too many failed logins.

No problem, lets follow the instructions on the iPhone and connect it to iTunes

Download iTunes on my pc, try sign in, accept the OTP sent to my primary phone and then this

So let me get this right, I need to downgrade security on my account in order to use iTunes?

Access your data on Cloud.com

Your account uses security keys for two-factor authentication, and they aren't supported on iCloud for Windows. You can access your iCloud data, including photos, files, and documents on iCloud.com.

Open iCloud.com

Learn more about Apple ID security keys