1.Type REGEDIT in search bar or in run (win+r)
HKEY_LOCAL_MACHINE/SOFTWARE/MICROSOFT/WINDOWS/CURRENTVERSION/AUTHENTICATION/LOGONUI/BACKGROUND
3.Now right click on background select NEW and select DWORD (32BIT) and write OEMBackground and set the value as 1.
4.Now write gpedit.msc in search bar or in run
5.Now follow the path ADMINISTRATIVE TEMPLATES/SYSTEM/LOGON. Now select ALWAYS USE CUSTOM BACKGROUND after that enable it.now click on apply and OK.
HKEY_LOCAL_MACHINE/SOFTWARE/MICROSOFT/WINDOWS/CURRENTVERSION/AUTHENTICATION/LOGONUI/BACKGROUND
3.Now right click on background select NEW and select DWORD (32BIT) and write OEMBackground and set the value as 1.
4.Now write gpedit.msc in search bar or in run
5.Now follow the path ADMINISTRATIVE TEMPLATES/SYSTEM/LOGON. Now select ALWAYS USE CUSTOM BACKGROUND after that enable it.now click on apply and OK.
6.After that follow this path to set custom background. c:\windows\system32\oobe\info\backgrounds.if your drive doesn't have info folder create in oobe folder.in info folder create backgrounds folder.
7.In backgrounds folder paste the your image.
note:image name must and should be backgroundDefault and size lessthan 256kb
watch video in youtube:
VIDEO : DOWNLOAD
