How to Make Windows 7 Connect to a HomeGroup With Vista

1. Sign on to Windows 7 as an administrator. Click 'Start.' Right-click 'Computer.' Click 'Properties' to open 'System Properties.'
2. Choose 'Advanced system settings' from the left pane. Click the 'Computer Name' tab.
3. Click 'Change.' Click 'Workgroup.' Enter a name for the homegroup into the field. Click 'OK.' Restart the computer.
4. Sign on to the Windows Vista computer. Repeat the same steps as you did for the Windows 7.
5. Click 'Start.' Right-click 'Network.' Click 'Properties' to open 'Network and Sharing Center.' Go to 'Sharing and Discovery.'
6. Expand 'Network discovery.' Click 'Turn on network discovery.' Click 'Apply.'
7. Return to the Windows 7 computer. Click 'Start.' Right-click 'Network.' Choose 'Properties' from the contextual menu.
8. Click 'Change advanced sharing settings.' Click 'Turn on network discovery.' Click 'Save changes.'
9. Click 'Start.' Click 'Network' to view the computers that are part of the homegroup. Double-click the name assigned to the Vista computer to connect to it.