How to get rid of Windows Defender (Windows 8).

It really problem and direct prohibition does not help here. You can to disable it, turn off and also disable this service at all, but every time You start Windows You'll get the notification, that Windows Defender is turned off and can't protect Your system.
If you want to install another anti-virus program, I recommend you do so:
Open your Windows Defender, then open the "Settings" and uncheck box before "Turn on Real-Time Protection ..." and then "Save changes" . Then go to the "Administrator" and remove the label before "Turn on Windows Defender" and again the "Save changes".
 
Now close Windows Defender completely. Suggested: open the "Task Manager" =>

How to get rid of entering your password on every startup of Windows 8?

* How to get rid of entering your password on every startup of Windows 8?
* How to get rid of the tedium procedure every time Your Windows 8 starts?

The Windows 8 users are recommend to use a Windows Live ID to login and use all Windows 8 features. But if your are the single user of Your computer, then entering password on every bootup or whenever system wakes up from sleep, could be annoying.
Of course you can also do a local useraccount, and also without "log in password", but then not all features of Windows 8 can not be used. Hence the need for alternatives. So, that all features can be used, and not needed to enter the password every time.

Here  is the solution.