Change your Windows 7 Boring Logon Screen

1. Download any wallpaper of same resolution as your screen's(should be jpg only).
2. Make sure if the size of that wallpaper does not exceeds 250kb, if it exceeds250kb then compress it online Compress Image - Compressnow.
3. Rename the file name as "backgroundDefault.jpg"
4. Copy file in C:\Windows\System32\oobe\info\Backgrounds\
5. If there is no folder named Backgrounds in info then create one.
6. Hit Windows+R for run command.
7. Type regedit and Hit Enter
8. After Registry Editor's window opens up, hit Ctrl+F and find this keyword"oembackground"
9. You will see this screen

Once you'll get this screen Double click on OEMBackground

1. Press OK and you are done.

Enjoy new Logon Screen and spread this.