A:AnswerIt does not support user-upgradable RAM. The memory modules are soldered onto the logic board, and as such, they cannot be replaced or upgraded after purchase.
If you require a system with a larger RAM capacity, it's advisable to explore other iMac models that offer higher memory configurations.
A:AnswerMac OS X El Capitan (10.11). You should be able to upgrade the operating system to a newer version, such as macOS High Sierra, macOS Mojave, or even later versions, depending on compatibility.
A:AnswerIt supports the final version of macOS Monterey (macOS 12), but it does not support AirPlay to Mac and the more minor Spatial Audio, Portrait Mode, 3D Landmarks, and Interactive Globe features.
