Where is a good place to buy memory
And where do I put it in?
Question marked as
The OWC website is a reputable place to buy RAM upgrades. https://eshop.macsales.com/shop/apple/memory/
Just follow the tutorial to pick your machine, and then see your options and pricing.
Here is a linked support article with more information: https://support.apple.com/guide/imac/install-memory-apdd768f6349/mac
Essentially, the first place you need look is hidden inside where the power cord is. You'll need to completely remove the circular plug from the bezel. Underneath, you'll see a button, that you'll need to push in quite far in order to eject the hatch. Once the hatch is free, you can then go in and gently remove/replace the existing cards.
