If you’re using an Intel or AMD CPU with integrated graphics and don’t plan on doing serious gaming, you may not need or want a discrete graphics card.
Installing a graphics card is also an optional step. If you’re using an Intel or AMD CPU with integrated graphics and don’t plan on doing serious gaming, you may not need or want a discrete graphics card. But many AMD CPUs, as well as high-end Intel models, don’t have onboard graphics and will require a graphics card in order to connect and output to your monitor.