Hi, I have not found that topic may be because I am very new here. When I start vLite it asks for the Installation DVD, but there is the ancient Vista Home Premium that cannot manage 6GB Ram. The Upgrade to Ultimate is on a different DVD bought from Windows Anytime. In the meantime I have updated to Ultimate SP2. How can I implement the upgrade-features? vLite wants to create a Home Premium DVD but that would downgrade my OS. Many greetings and many thanks for help or a useful link MartinF