Windows 7 Logon Background Changer is open source software that let you change the wallpaper of the Windows 7 logon screen (welcome screen). Export calls that LogonUI. The Windows 7 Logon Background Changer works perfectly on Windows 7 Home Basic, Home Premium, Professional, Ultimate and Enterprise, in both 32 and 64 bits system but does not work with Windows 7 Starter of most notebooks computers.This Open source software is based on WPF and requires a decent GPU for the 3D animations to run smoothly but it also works with lower end graphic cards.
This small utility does not change any system file, it just creates a few JPEG files based on the image you want to put as wallpaper for the Windows 7 login screen then it applies the appropriate cropping and sizing and saves them using the best compression quality possible using CMD.
