How to upgrade Windows 10 1511 to Windows 10 1809
social.technet.microsoft.com › Forums › en-USJan 04, 2019 · First you need to go to. https://www.microsoft.com/en-us/software-download/windows10. Download your desired iso Image, then run it from your the client your are going to update from 1511 to 1809. Please refer to these guidelines on how to update from 1511 to 1809: https://answers.microsoft.com/en-us/windows/forum/windows_10-windows_install/how-to-upgrade-to-windows-10-version-1803-spring/617a37da-8fc0-4f33-a3eb-59fe9082f925.