Deactivate Lock screen on startup in Windows 8
One of the most unnecessary things that Windows 8 brings to desktop computers might be the lock screen you need to wipe away every time you start your machine - luckily it's also one of the things you can disable.
To do so, open the Local Group Policy Editor (as shown here).
Browse the left pane for Computer Configuration > Administrative Tools > Control Panel > Personalization and double-click Do not display the lock screen on the right pane. Enable the setting and confirm by clicking Ok!