In this tutorial, I’ll show you how to turn a USB drive into a macOS Sequoia USB installer. Having a USB installer is useful for performing upgrades to Sequoia across multiple Macs, among other use ...
If you have a spare hard drive lying around, you could use the existing recovery partition to install the OS on to that, even if just temporarily. If you have a friend with a Mac, he could download ...
macOS Monterey version 12 is a stable, lightweight upgrade that works great on older Macs, and you can use the direct DMG or ISO links to download, install, upgrade, or downgrade your system easily.