If you are looking for Apple Silicon M1 Full IPSW Restore files, go here > If you are looking for macOS Catalina, Mojave, High Sierra, Sierra or El Capitan look here > The InstallAssistant.pkg is not available for Catalina or Mojave. This change was made when Apple revised the full installer for Big Sur.

Once downloaded, all you need to do is install the pkg and the full installer of Big Sur will be in your applications folder. The InstallAssistant.pkg is stored on Apple’s servers and contains the full “Install macOS Big Sur.app”. This file is the same full installer that you would download directly from the App Store for Intel and Apple Silicon M1 Mac Computers. This database will contain download links for macOS Big Sur full Installer pkg files (InstallAssistant.pkg). Some older Macs will have a hard time running Big Sur, so you might want to check out this list of supported Macs before getting started.Download Full macOS Beta & Prod versions of Big Sur with one click! macOS Big Sur Final & Beta Full Installers Since this is an early beta version of the project, issues are to be expected. It will download the latest package and create a bootable USB, which you can use to reinstall macOS in order to get the latest version. To update your installation, you can use the Post-install tool. Then, select the boot drive you've created and reinstall macOS. Once the USB drive is ready, go ahead and launch the Startup Manager by holding down Option ( ⌥) while restarting your Mac. Just plug in a large enough USB drive, and Patched Sur will create your installation media. The app downloads the Set Vars Tool, the Kext patches, and the macOS installer itself. You will need to select your update track, but the rest of the process is mostly automated. For the time being, you can only update from Catalina, as the clean install option is not available. Patched Sur is an intuitive app that runs you through a step-by-step process in order to create a bootable USB for installing or updating your OS. Thankfully, if you really want to run this OS on your older Mac, you still have options. Big Sur is the most innovative macOS release in recent years, so it's no surprise that Apple has dropped support for quite a few older Macs with the 11.0 update.

Big sur patch for unsupported macs