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.
macOS 14 is now available for all users and comes with new features like interactive widgets, Game Mode, 100+ wallpapers/screen savers, and more. But should you install macOS Sonoma on your Mac right ...