According to chronology, arrange the steps that you need to take during the installation of a RAM stick.

Shutdown your computer and unplug all the cables connected to it

Next, Remove the side of the computer case to gain access to the motherboard.

Then, Look for the big heat sink at the top of the motherboard and you'll see either two or 4 memory slots next to it

Now, remove the old memory sticks.

Finally, pop the thing in after removing the dust