The process of installing expansion cards is simple and requires little technical expertise or tools. To start, make sure the computer is turned off & disconnected from all electrical sources in order to aall rummy aapvoid any damage or accidents during installation. When opening the case, users should find the motherboard's expansion slot according to the kind of card being installed, such as PCIe for a graphics card or another type for other peripherals. Users should carefully align the expansion card with the slot after determining which one it is, then press it firmly but gently into place until it clicks securely.