Hello friends, now i had made the ewlcome animation pictures for MeraWindows
Make sure that u are in Administrator account and have full rights to read and write the file C:\Windows\System32\Authui.dll
If u are replacing the files manually, then you should have a software that can intaract with the DLL files and can change their resource.May be Resource Hacker or Restotator.
Then u have to open authui.dll(C:\Windows\System32) which was located in System32.
Change the IMAGE resources according their names in the pack.
Save it
and restart the Windows.
Images are
Or u can just Download the require file from Here and Paste into System32(C:\Windows\System32)
Restart the WIndows.
Here is the PSD of this animation file Download