What Is storedownloadd and Why Is It Running on My Mac?

Something called storedownloadd is taking up a lot of CPU power, which you noticed while using Activity Monitor. Don7;t panic: it7;s just the Mac App Store downloading some software for you.

This article is part of our ongoing series explaining various processes found in Activity Monitor, like kernel_task, hidd, mdsworker, installd, WindowServer, blued, launchd, backup, opendirectoryd, and many others. Don’t know what those services are? Better start reading!