Mac OS X 12 Monterey on USB Stick.

USB is £10 collection from me. £20 for me to do the install for you - bring the machine to me.

The following Macs can run Monterey:

iMac (late 2015 and later)

iMac Pro (2017 and later)

Mac Mini (late 2014 and later)

Mac Pro (late 2013 and later)

MacBook (early 2016 and later)

MacBook Air (early 2015 and later)

MacBook Pro (early 2015 and later) Mac compatibility