Fortunately you have this article to guide you through some of the most common extensions that you'll run into. But before you can see file extensions, you need to turn them on. From Windows Explorer, click on the "Tools" menu, and select "File Options." Click the "View" tab and then uncheck the box next to "Hide file extensions for known file types. " A dirty fan doesn't rotate fast enough to keep that motor cool and a completely clogged fan just stops rotating altogether. This causes the computer's motor to work harder - and a harder working motor can raise the electric bill! Worst case scenario: the motor can overheat and stop working as well. Since we want these programs to load every day, we could create a shortcut to this file and then place the shortcut inside our computer's Start Up folder. That way, these three programs would load every time we turn on the computer. If you wanted these programs to start minimized, you could type the following into a batch file instead: START http://www. We always say, "'Tis better to screw up something on an old, used machine than to screw up everything on a brand new one!" A couple of errors on an old, used machine are easier to fix because someone is going to have the experience and knowledge to fix it. Errors on a new machine however can be a beast to fix because we're all knocking at Microsoft's door looking for answers. " Notepad is a plain text editor while WordPad is a rich text editor. Both files are capable of opening plain text, however WordPad can open Windows Write files (an earlier version of WordPad) as well as rich text files. WordPad can also save documents as plain text, rich text, and MS Word documents. Being so popular an activity, it's imperative that you compress the files destined for another computer. File compression combines a number of different files into one file, and it can also significantly reduce a very large file to a smaller one. As a result, the transmission of a compressed file across the Internet is faster and smoother.