Installing a graphics card can be a straightforward process. First, ensure your computer is powered off and unplugged. Open the case, locate the PCIe slot, and gently insert the card until it clicks. Secure it with screws and connect any necessary power cables. Once done, power on your PC and install drivers from the manufacturer's website. What kind of graphics card are you looking to install? Do you need any additional guidance on choosing a compatible one for your setup?