@islahj28 If you click the Apple icon in the upper-left corner of the screen and select About This Mac, you'll see a list of specs. That's what I'm looking for, other than the serial number of course, which should never be posted publicly.
I understand you don't need an overpowered machine, but the drop-off between a $400 laptop and a $320 laptop is significant. It's the difference between being able to play fine on medium settings and using the lowest graphics settings, or possibly getting frequent freezes and crashes, or needing to change your play style just to make the game work at all. Some people do have okay experiences on this kind of low-end hardware, but not everyone, and I don't want to make a recommendation that falls into the "maybe it'll be okay, maybe you'll have just wasted your money" category.
As far as brands go, there are some bad ones, but nothing better than the other options, at least in this price range. The point to keep in mind is that these brands buy the same components from other companies (Intel, AMD, etc.), so you can see exactly the same hardware in laptops from several brands. That in turn means that as long as the manufacturer didn't make any mistakes, the laptops should perform about the same, plus or minus a few percentage points due to tuning. So it's less about the brand, other than avoiding the sketchy ones, and more about finding the best combination of hardware and price.
For that, I can help, but again, I don't want to even suggest a laptop below a certain level because of the possibility it won't run Sims 4 properly at all.