How to Encrypt Pictures
The Windows operating system has an internal feature that lets you encrypt and decrypt files. Encrypting files means no one without your password can view the image file contents. This feature is beneficial if you have images you don't want viewed by other people who use the machine or by people who access your computer from the network.
Instructions
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Log in to the Windows computer with your username and password. The username and password you use is the only account that can decrypt the file once it is encrypted.
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Click the Windows "Start" button and select "Computer." Double-click the drive that contains the image, then double-click through the directories until you open the directory that contains the image.
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Right-click the image you want to encrypt and select "Properties" in the popup menu. Click the "Advanced" button in the "General" tab. A new configuration window opens.
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Check the box labeled "Encrypt contents to secure data" and click "OK." It only takes a few seconds for the image to encrypt.
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