Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

RLRL

macrumors member
Original poster
Jan 31, 2015
70
6
I have a late 2013 iMac running El Capitan on a 1 TB fusion drive using only about 200 GB.

It has become clear that I may need to upgrade the OS, some stuff just does not work.

However, I have a ton of apps I need, like MS OFFICE, etc.

So I thought I would partition the drive and install either High Sierra, or something newer on the partition.

In the app folder, EL Capitan, I have an install app for High Sierra.

How do I install an OS on a new partition using the install app from the other partition.

Also how do I move applications from one partition to another so I can test.

Not clear on how to do this.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.