HomeGroup is a feature of Windows 8 to make it easier to share documents, printers etc between all the computers in your home
On your main computer you firstly create a new HomeGroup, and then on all your other computers you will then be able to join that HomeGroup
To access HomeGroup either go to Network and Internet > HomeGroup in the Control Panel, or choose Network > HomeGroup from the PC Settings page
Creating a HomeGroup
Click Create a homegroup or Create and a wizard will guide you through asking you which items you wish to share - once you have chosen click Next to continue
You will then be shown your password which you will need to join other computers to this HomeGroup
Joining a HomeGroup
Note: Computers must be running Windows 7 or Windows 8 to join a homegroup, it will not work with Windows Vista or Windows XP
To join an existing HomeGroup click Join now or Join - entering the password when prompted
Leaving a HomeGroup
To leave a HomeGroup click Leave the homegroup or Leave
You will then receive a confirmation as below to make sure you wish to leave the homegroup - choose the top option
Accessing Shared HomeGroup Files
To access files on other computers within your HomeGroup - open File Explorer and all computers/shared folders within your HomeGroup will appear in the left hand column as highlighted below