This guide provides a valuable assistance in slimming Windows installation using WinToolKit and RTSevenLite. Before begin, type diskmgmt.msc in StartMenu and add a new NTFS partition with at least 20GB where extract the Windows 7 DVD, WinToolKit and RTSevenLite. This allow us to have a clean file system to format quickly in case of bugs or power loss. Start RTSevenLite and set temporary directory into new partition, then choice source directory and remove features as is in RT7Lite.txt. Don't forget to setup Un-Attended! For last, start WinToolKit, set temporary directory as before, and remove 'Microsofot Windows PE' from boot.wim using WIM manager, include also Autounattend.xml. From intall.wim instead remove what you don't need loading WinToolkit.ini profile. Remember to include Chrome or Firefox installer, I've removed IE, and clean winsxs with Component Removal. Now you can burn final ISO and install it in less of ten minutes! :welcome: http://www.wincert.net/forum/files/file/18-one-cd-windows-setup/