If you want Windows 8 or Windows 10 to immediately display the login interface instead of having to go through the Lock Screen, you can disable the Lock Screen.
1. Disable the Lock Screen lock screen with Local Group Policy Editor
To disable Lock Screen on Windows 8 and Windows 10, first open Local Group Policy Editor by pressing Win + R key combination to open the Run dialog box, then type gpedit.msc into the Run dialog box and press Enter.
Now, on the screen that shows the Local Group Policy Editor folder tree interface in the left pane, find the path of Computer Configuration \ Administrative Templates \ Control Panel \ Personalization.
On the right side of Personalization, double-click the Do not display the lock screen option.
Then tick the Enable item.
Finally click OK and reboot to set the effect.
2. Quick disable Lock Screen
If you do not want to edit the Registry manually, you can download the modified Registry file to your computer and install it.
Download the modified Registry file to your computer here.
After you have downloaded the modified Registry file to your computer, extract the Zip file, you will see 2 files, DisaleLockScreen.reg and EnableLockScreen.reg. Your task is to double click on the DisaleLockScreen.reg file to disable the Lock Screen.
Once done, you do not need to restart your computer.
If you want to reactivate the Lock Screen lock screen, double-click the EnableLockScreen.reg file and you're done.
3. Edit the Registry manually
If you want to edit the Registry manually, follow these steps:
First, open Registry Editor by pressing Windows key, then type regedit in the Search box and press Enter. If you're using Windows 10, simply open the Start Menu, then type regedit and press Enter to open the Registry Editor window.
In the Registry Editor window, navigate to the following key:
HKEY_LOCAL_MACHINE \ SOFTWARE \ Policies \ Microsoft \ Windows \ Personalization
If the Personalization key is not found, right-click on the Windows key above, select New and create a new key named Personalization.
Right-click in the right pane and create a new DWORD value, named NoLockScreen.
Next, double-click the NoLockScreen value you just created, in the Value Data box, set the value to 1.
Finally, close the Registry Editor window and you do not need to restart your computer.
If you want to reactivate the Lock Screen lock screen, you perform the same steps and set the value in the Value Data frame to 0.