To use Registry Editor to turn on automatic logon, follow these steps:
- Click Start, and then click Run.
- In the Open box, type Regedt32.exe, and then press Enter.
- Locate the following subkey in the registry:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionWinlogon
- Double-click the DefaultUserName entry, type your user name, and then click OK.
- Double-click the DefaultPassword entry, type your password, and then click OK.Note If the DefaultPassword value does not exist, it must be added. To add the value, follow these steps:
- On the Edit menu, click New, and then point to String Value.
- Type DefaultPassword, and then press Enter.
- Double-click DefaultPassword.
- In the Edit String dialog, type your password and then click OK.
Note If no DefaultPassword string is specified, Windows automatically changes the value of the AutoAdminLogon key from 1 (true) to 0 (false), disabling the AutoAdminLogon feature.
- On the Edit menu, click New, and then point to String Value.
- Type AutoAdminLogon, and then press Enter.
- Double-click AutoAdminLogon.
- In the Edit String dialog box, type 1 and then click OK.
- Exit Registry Editor.
- Click Start, click Shutdown, and then type a reason in the Comment text box.
- Click OK to turn off your computer.
- Restart your computer. You can now log on automatically.
Or another way for automatic login :
Press the Windows + R keyboard combination to bring up a run box, when it appears type netplwiz and hit enter…
Or use Autologon app :
https://learn.microsoft.com/en-us/sysinternals/downloads/autologon
References :
https://support.microsoft.com/en-us/kb/324737
http://www.howtogeek.com/112919/how-to-make-your-windows-8-computer-logon-automatically/