Unless the activities on your computer are restricted to pure textual output (plain text files), your computer is going to get filled with a lot of "stuff" - stuff that can overfill a PC's capacity too much for the computer to function well. The problem is that while upgrading a computer is always an option, technology advances so fast that newer products (such as memory chips, new drives, etc. Minimize, Restore, and Exit buttons - these three buttons are usually located on the right-most upper part of a program's interface and each allow you to minimize a program's screen, restore it to its original size, or shut down the program completely. Scroll bar - this convenient tool allows users to move data up and down the computer screen. This set up is usually fine for a user who uses software at home on one computer. But in an environment where there are five, ten, twenty or more computers, buying a license for each computer can be down-right costly. So costly that the temptation to pirate a little software here and there can be pretty tempting. For the novice, it's best to buy a computer that has all of these components included so that when it's taken home, assembling the computer is a simple matter of plugging things in where they belong. Save the individual purchases of these components for those who have more experience. 2. Decide what you'll use the computer for. Decompressing Files Assuming that you have Winzip or StuffIt installed on your computer, you can access the files archived inside a .zip or .sit file by simply double-clicking the archive (a file ending in a .zip or .sit extension). Double-clicking one of these kinds of files will open up a window that displays the contents of the archive. Options available can accommodate a person's preference for the display of numbers, currency, time, and date format. Sounds Properties. Multimedia fans can create a rich PC environment filled with sound through this setting. Sounds can be assigned to numerous events and they don't even need to be the default sounds installed by Windows.