MacPostFactor (formerly known as MLPostFactor) is a free and powerful solution to install macOS releases on older unsupported Macs. Installation requires attention and is at your own risk.

Emily Smith

MacPostFactor is a game changer! I successfully installed Yosemite on my old MacBook, and it runs smoothly.

Jessica T.

This app is fantastic! It allowed me to install Mavericks on my unsupported Mac. Highly recommend it!

Mark R.

I was thrilled to find MacPostFactor! It made installing Mountain Lion on my older iMac a breeze. Five stars!

Olivia S.

Absolutely love MacPostFactor! I managed to get Yosemite running on my old Mac Pro without any issues.

Ethan L.

What an amazing tool! Thanks to MacPostFactor, I can enjoy the latest OS features on my outdated Mac.

Sophia K.

MacPostFactor worked perfectly for me. Installing Mavericks was straightforward and hassle-free. Highly satisfied!

James W.