To set up auto-login for Windows 8/8.1:
- Press Windows Key + R, type “netplwiz” and press Enter.
- In the User Accounts dialog, select the account you want to automatically log in to and uncheck the box next to “Users must enter a user name and password to use this computer”.
- Click OK and enter the password for the selected account when prompted.
- Restart the computer and it should log in automatically.
Note: This method is not recommended for security reasons, as it makes your computer more vulnerable to unauthorized access.