In Windows 8 and Windows 8.1 you can skip the password login and login screen, your Windows can start without login screen. This will make your windows start faster, of course you must be sure that no one can access information from you computer if information is secret and valuable, in this case you should have a password login.
How to Skip Login Screen in Windows 8 and 8.1
Step 1. From your keyboard press the keys Win and R at the same time to open the window Run, then type the following command and press Enter: Netplwiz
Step 2. The window Advanced User Accounts or sometimes it will be under the name: User Accounts. Go to the Users tab and uncheck the box next to Users must enter a user name and password to use this computer.
Step 3. Click the button OK at the bottom of the window. Then a sign in box will appear, enter the user name you need to automatically login to Windows 8.
Important: If you’re using a Microsoft account and you are logging with an email, you will have to enter the entire email address that you use to login. Then confirm the password and click button OK.
Step 4. Restart your computer and make sure that Windows 8 automatically logs you in.