Fast & Convenience
Download Macos 1012: Sierra Full
If you have previously downloaded Sierra using your Apple ID, you can find it in the Purchased tab of the Mac App Store.
Troubleshooting: If the download is only 22 MB instead of 5 GB, you have downloaded the stub installer. Delete it and use Method 1 or Method 3. download macos 1012 sierra full
For most users, the only safe and legal way to download macOS Sierra is directly from Apple. If you have previously downloaded Sierra using your
Note: This method only works if you are currently running a version of macOS that allows you to view "purchased" or "hidden" items, or if you have a Mac that is compatible with Sierra. Troubleshooting: If the download is only 22 MB
Use the Direct Link: Apple often provides a direct link for older OS versions. You can search the web for "Apple Support macOS Sierra download" which often redirects to a hidden App Store page.
Click Download.
If you try to download Sierra on a newer Mac (like an M1 or M2 MacBook), the App Store may prevent the download or give you an error message saying the software is incompatible with your machine. In this case, you will need a workaround.
You may see this error if the certificate on the installer has expired (Apple stops signing old OS versions). To fix it, change your system date to when Sierra was still signed.