Download | Mac Os X 10.7 Lion Installer ((link))

Then restart the download.

Once you've found a reliable source for the macOS X 10.7 Lion installer, follow these steps: download mac os x 10.7 lion installer

For most users, newer versions like or macOS Monterey (12) offer better stability and security while still supporting many older Macs. Then restart the download

Use Apple’s own resources first: Internet Recovery for supported hardware, or the hidden support DMG for everyone else. Avoid sketchy third-party sites. And once you have that precious 4.37 GB InstallMacOSX.dmg , store it safely—because one day, Apple will finally turn off the lights on these servers. Avoid sketchy third-party sites

https://secure-appldnld.apple.com/macOS/061-86248.20110920.Mrgt/InstallMacOSX.dmg

If you have a modern Mac, you cannot directly install the PKG. However, you can use Pacifist (a third-party app) to extract the InstallESD.dmg (the actual bootable image) from inside the PKG. Then restore that ESD to a USB drive using Disk Utility.

You can as a disk image called MacOSXUpd10.7.dmg – but note: that file is just an update for existing Lion systems. What you need is the full 4.37 GB installer .