Windows 7 has made sharing files over a network much easier, thanks to its HomeGroups function.
HomeGroups lets you connect to files and printers with a group password - if all the PCs have Windows 7. But I'll show you how to get your Windows 7 PC to play nicely on a network that also has Macs and XP/Vista PCs.
Set up Windows 7 to share a printer
Windows can share a printer with other PCs on your network, so everyone in your household can connect as long as your printer and PCs are on.
Here's how to set up this sharing in Windows 7. Open Devices and Printers from the Start Menu, and double-click your printer.
Pick Customise your printer, and click the Sharing tab in the following window. Select the Share this printer checkbox.
Unless you're connecting a bunch of similar PCs, I recommend skipping the option to download additional printer drivers on the host system.
Just take a moment to configure everything once on each client. With different combinations of 32 and 64bit Vista, Windows 7, and XP PCs, it's more hassle than it's worth to try to plan ahead here.
Approve the options and close the Properties window.
Share a printer from Vista and XP
If you would rather connect your Windows 7 PC to a printer on an XP or Vista system, here's how to configure those operating systems.
In Windows Vista, open the Printers control panel, and right-click your printer. Click Sharing, and press Change sharing options. Now, click Continue, then Share this printer. Click OK.
It's a similar process in XP. Open the Printers and Faxes control panel, and right-click your printer. Click Share this printer, and click OK.
Connect to a shared printer in Windows 7
Here's how to use a shared printer from your Windows 7 PC, whether the printer is connected to a Windows 7, Vista, or XP computer.
In Windows 7, open Devices and Printers from the Start Menu, and pick Add a printer.
Click the second option to add a network printer, and pick your printer from the list. Click Next, and wait for the printer driver to be located. If you want this printer to be the default printer, make the necessary selection, and click Finish.
Windows 7 couldn't automatically locate the printer driver for my aging-but-strong Epson Stylus Photo R1800 on my network.
If you face the same problem, manually download the driver from the printer company's website, and browse to it when prompted.
If that still doesn't work - it didn't for me - try installing the printer driver before trying to connect to your designated network printer. When I did this, Windows 7 afterwards had no problem reaching my network printer.
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