(Internet connection is needed in this step.)ġ.1 Please backup system data before upgrading to Windows 10.ġ.2 Click Start Button » choose 'System' » and click 'Windows Update'.ġ.3 Check for Updates, Windows Update will check the available updates on your system.ġ.5 System restart will be needed for some updates, so please restart your system and repeat Step 1.2 ~ Step 1.4 to make sure all the updates are completed. Prepare Your Systemīefore upgrade to Windows 10, Windows Update is recommended to be done.