How to disable Username and Password in Network pc

1. Click Start

2. Control Panel

3. Network and Internet

4. Network and Sharing Center

5. Click Choose homegroup and sharing options in the lower list (this opens Control Panel\Network and Internet\Network and Sharing Center\Homegroup)

5. Click Change advanced sharing settings... (this opens Control Panel\Network and Internet\Network and Sharing Center\Advanced sharing settings)

6. The setting right before the last one is: Password protected sharing!

7. Choose Turn off password protected sharing

 Its done Enjoy !!!!! :)