In this tutorial you would learn how to disable single click in Windows 7.
Go to the “Start” menu and click on “Control Panel”.
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In the appeared window, select the “Appearance and Personalization” option. In the following screen click on the “Specify single- or double-click to open” under the “Folder options” section.
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In the following window select the “Double-click to open an item” button. Then click on the “Apply” button.
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You can now check that items are being opened by double-clicking.