Sometimes, you may want to upgrade your hardware device to improve its functionality, performance, or lifespan. You can do this by adding, replacing, or modifying components such as RAM, storage, graphics card, CPU, motherboard, keyboard, mouse, monitor, speakers, or printer. Before you upgrade your hardware device, you should consider compatibility (i.e. if your new component is compatible with your existing device and its other components), cost (i.e. the cost of your new component compared to the value and benefit it will bring), and necessity (i.e. if your new component is necessary for your device and needs). Hardware maintenance and repair are essential skills for anyone who works with computer hardware and by following the best tools and techniques you can keep your hardware devices in optimal condition while also being able to upgrade them to suit your preferences and requirements. Doing so can be fun, rewarding, and satisfying as long as it is done safely and correctly.