How do I upgrade RAM memory on my iMac(2021)?

You cannot upgrade RAM after purchase on an iMac (24-inch, M1, 2021), or on any other Apple Silicon Mac.

If, by any chance, you are referring to the iMac (Retina 5K, 27-inch, 2020) that Apple sold between August 2020 and March 2022, that one is upgradable (and I would suggest getting RAM only from Other World Computing).

You would have to buy a new Mac, all iMacs made after 2020 had no available internal upgrades (RAM, Storage etc...) so your 2021 iMac cannot have the RAM upgraded.

If it's a 2021 model, or a 2020 21-inch one, you can't.

If it's a 2020 27-inch model sold in 2021, click here and scroll down to the section for it.

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