HOW TO KNOW IF YOUR ANTIVIRUS IS REALY PROTECTING YOUR COMPUTER.



In this tutorial we'll create a test virus on our desktops to test our various antivirus that are installed on our various computers.
This test virus is only meant for the test and will not cause any damage to your computer.

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HOW TO SHOW AND VIEW FILE EXTENTIONS OF ALL FILES

Viewing the file extension of a single file

1. Right-click the file.
2. Click Properties.
3. In the Properties window, similar to what is shown below you should see the "Type of file:" this is the file type and extension. As can be seen in the below example this file is a TXT file with a .txt file extension and in this case opens with the Text Pad program.

Users more familiar with computer files and file extensions may wish to view all computer file extensions to help with locating and browsing files. To do this follow the below steps for your version of Windows.
Windows 2000, XP, Vista, 7, and 8 users

1. Open My Computer
2. Click Tools and click Folder Options or click View and then Options depending on your version of Windows.
3. In the Folder Options window click View tab
4. Uncheck the box that says Hide file extensions for known file types.

Or

1. Open Control Panel
2. Click Folder Options
3. Click View
4. Uncheck Hide extensions for known file type.

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