You can permanently skip or avoid Windows 8 or 8.1 login screen using the following methods. I hope this tutorial is very useful for beginners who do not have any Windows 8 knowledge.
Press WINDOWS + R key to open Run task. Type netplwiz and press OK button.
Once you press the Enter key in show user account panel. In this panel you need to select one user account which is automatically login. Uncheck the option “Users must enter a user name and password to use this computer”. And click Apply button.
It open Automatically sign in
Enter username, password and confirm password for the user and click ok button. Restart your computer now it automatically login in Windows.