As the name suggests, System Requirements, are the specifications that your laptop, PC, or Macbook should adhere to so that you can play a game smoothly.
Now, there are various games that you can play on your laptop or PC and it depends upon your system specifications whether it can play the graphics, etc. smoothly or not.
Furthermore, as you install various packs to games such as The Sims 4 or GTA V, your system is likely to need more and more space. This simply means that it would slow down your system.
At MostValuedNoob.com, we have made an effort to help you find if your laptop or device can smoothly run various games or not so that you are aware of it beforehand and can take necessary action if needed.