The solution is very simple to change the Home-Group Password on Windows-7 or 8.1!
The homegroup solution here is also for Windows 8.1, 8 and Windows Server 2008, 2012!
The homegroup can you find in the Windows 7 Control Panel:
Control Panel\Network and internet\network and sharing Center
or via the Windows 7 run dialog [Windows + R] and the command: control / name Microsoft.HomeGroup
(... see Image-1 Arrow-1)
Here, you can easily join or leave to a home network group! Or change the homegroup password (... see Image-1 Arrow-2)
And also: Stream pictures, music, and videos to all devices on the home network or share libraries and printers!
Windows-7 HomeGroup makes it easy to share your Windows-7 printers and libraries on a home network. You can share pictures, music, videos, documents, and printers with other user in your homegroup. The homegroup is protected with a password, and you'll always be able to choose what you share with the group.
If you ever forget your Windows-7 homegroup password, you can find it by opening HomeGroup in Windows-7 Control Panel on a computer that's part of the homegroup.
FAQ 103: Updated on: April 28th 2014 11:30