Setting Up File and Printer Sharing for Windows Vista
From the Start menu, select ControlPanel.
If the Windows Vista Control Panel is set to Classic View, double-click Network and Sharing Center. Otherwise, click the Network and Internet icon, and then the Network and Sharing Center icon.
Click the File Sharing context menu.
Select Turn on File Sharing and click the Apply button.
Select the button next to Printer Sharing.
Select Turn on Printer Sharing and click the Apply button.
Click the X at the top right corner of the window to close the Network and Sharing Center.