People see their computers slowing down drastically after few months, primarily due to inadequate memory in the computer. All you need to do , to enhance your computer memory, is to buy the extra memory chip / card and fix it in your computer.
You need to be careful in buying the computer memory cards and chips only from reliable sources like www.memorystore.com, who deal only in genuine company products , and can also offer you good discounts on your purchases. Their sleek business model which eliminates the intermediaries helps them to provide the extra discount to their customers in many of their products.