Many people buy a computer with only the minimum amount of memory (RAM) installed. The reasons for this vary, but usually computers with the minimum amount of RAM are cheaper than the others, so appear to be a bargain.
Other folks have older computers that might have had a reasonable amount of memory installed at the time of purchase, but struggle to keep up with the memory requirements of modern applications. Installing additional memory is a relatively inexpensive way to boost performance in old and new computers alike.
If your computer is 2-3 years old and it is running somewhat slow, then it’s worth considering purchasing a memory upgrade before lashing out on a new computer. The majority of people that I talk to about computer memory upgrades (especially those with a computer over 2 years old) are surprised at the increase in overall performance after installing a memory upgrade. Typically it can extend the useable life of the average computer by another 2-3 years, at a mere fraction of the cost of buying a new one.
Installing a memory upgrade is usually a simple process, requiring at most a phillips screwdriver to either undo the memory hatch on...