Know your computer's limitations. While you can upgrade virtually all Windows desktop processors and motherboards, upgrading a laptop's processor is often impossible; even if your laptop model supports changing the processor, doing so is a tricky process that is more likely to harm your computer than help it.

To improve system performance, you can upgrade the processor (CPU) in your computer. Use this information in addition to the information that comes with a new processor.

Although upgrading your processor (CPU) can improve the efficiency of your computer, it can be quite involved. You need to make sure that your motherboard and memory are compatible with the new processor. Also, check that your current cooling system will accommodate the upgraded CPU.

However, if you purchased a pre-built gaming desktop, or had some help from a more tech-savvy friend, rooting through your computer's guts to swap out its very heart may sound downright daunting. The good news is that swapping out a CPU is not very difficult, provided you have all the right information and tools at your disposal.

Upgrading your CPU is not difficult, but it's harder than slotting in some new RAM modules or changing your graphics card. Before you decide to get a new CPU, check which models are compatible with your motherboard.