Although there is a Facebook app for Windows 8.1, you cannot create a shortcut to it from the desktop because it is a Windows Store app and not a desktop program. The alternative is to create a shortcut to the Facebook website on your desktop, which appears as an icon of your default browser. To change the default browser icon to a Facebook icon, you need to download a free Facebook icon from an applicable free icon website, then use the shortcut's Change Icon feature to replace the default icon with the Facebook icon.
Create a Shortcut to Facebook
Step
Right-click on an empty area of your PC's desktop, then choose "New" from the menu.
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Select "Shortcut" from the sub-menu, then enter the full Facebook URL in the open field.
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Click the "Next" button, then type "Facebook" in the open field.
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Click the "Finish" button to create the shortcut to Facebook.
Add the Facebook Icon
Step
Open a new browser window, then browse to a website that offers Facebook icons free of charge. Findicons.com, iconarchive.com and findicons.com are examples of websites that offer free Facebook icons.
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Enter "Facebook" in the website's Search box, then scroll through the Facebook icons until you find one that you like. Select the icon, click "Download ICO," and then save the file to your hard drive. You need to use the ICO image file format because it is the format that Microsoft Windows uses for icons.
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Right-click the shortcut to the Facebook website on your desktop, then choose "Properties" from the menu.
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Click the "Web Document" tab, then click the "Change Icon" button to open the Change Icon window.
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Click the "Browse" button, then browse to the Facebook icon you previously downloaded. Unless you changed the default location where Windows stores file downloads, you can find the icon in the Downloads folder.
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Double-click the Facebook icon and it appears in the Change Icon window.
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Click the "OK" button, then click "Apply" to change the generic shortcut icon to the Facebook icon.
