Make sure your RAM modules are compatible with the particular type of DIMM slot on your motherboard before you start. To avoid any damage or shock from electricity, turn off your cbest paying online slotsomputer and unplug it from the outlet first. Depending on the design of your computer case, you might need a screwdriver to remove the side panel in order to open the case. Find the motherboard's DIMM slots once inside; they are usually located close to the CPU socket. Gently line up the module's notches with the matching DIMM slot keys to install the RAM.