How to reinstall Zorin OS/Linux Mint/Ubuntu/Linux

If you are looking for how to install Linux, please follow this link.

When you are reinstalling, your Linux partition and swap partition are already made.

So start installation (skip easy steps) and on partition step (Allocate drive space) select 'Specify partitions manually (advanced)'.

After that select Linux partition and click 'change....' button. 

In 'Use as:' select 'Ext4 journaling file system' OR your own choice and in 'Mount point:' select '/'. This makes it root partition. Click 'OK' and then 'Install Now'. 

Remaining steps are easy.