|From the description, you want to start the Windows 8, password free.|
I would appreciate if you answer the below question.
1. Are you referring to user account screen by star up?
I would suggest you to follow the below steps:
a. Press “Windows Key + R”.
b. Type “netplwiz”.
c. If prompted by UAC, then click/tap on Yes.
d. User Account pop windows will appear.
e. Uncheck the Users must enter a user name and password to use this computer box, and click/tap on OK.
I would also suggest you to refer the below links.
Hope this information is helpful. If you need any further assistance, reply.
We would be glad to assist you.
John Ryan | Tech Support