Step 1: Disable El Capitan's System Integrity ProtectionĮl Capitan ships with a new OS X feature: System Integrity Protection (SIP), also known as 'rootless' mode.
A mid-2011 iMac or similar running OSX El Capitan.
RECOVERY: If you nuke your machine, restore your time machine backup. System and Storage hard drives), and be super careful to not erase the wrong one. Also make note of which drives and partitions remain (e.g. IMPORTANT: Unplug all external and physical hard drives (where possible) that you won't be installing to to avoid accidentally erasing them. it is possible to install Windows 10 on earlier iMacs and it seems to run quite well. How to Install / Bootcamp Windows 10 on a mid-2011 iMac using USBĪpple has released support for bootcamping Windows 10, but only on 2012 Macs and later.
