Manually Check for and Confirm WM10 Updates. Now that you have successfully downloaded and installed Windows Upgrade Advisor and further have registered your device for the Windows Mobile 10 upgrade, you are ready to begin the download and installation processes.Ĥ. Launching Upgrade Advisor will check and test your phone to confirm that it is ready to download and install Windows Mobile 10.ģ. Once Upgrade Advisor has been installed, you will need to launch it. In order to download Windows Mobile 10, you must first download and install the Windows Mobile 10 Upgrade Advisor.Ģ. Download and Install the WM10 Upgrade Advisor. Update a Microsoft Lumia Phone to Windows Mobile 10 …ġ hours ago 1.