If you are upgrading from Windows 10 RTM (10240) to 1511, this works perfectly. However, upgrading from a much newer build (e.g., 22H2) to 1511 is impossible. You must clean install.
If you are upgrading from Windows 10 RTM (10240) to 1511, this works perfectly. However, upgrading from a much newer build (e.g., 22H2) to 1511 is impossible. You must clean install.