How to open SciTE multiple times
Typically I like having one SciTE window with multiple tabs however, at times, it is very handy to have a Second SciTE window.
Making a minor tweak to your user.properties file is an easy way to achieve this.
Just open your current user.properties file and add the below code to it. You can find out more about SciTE4Autohotkey here
For a quick review of how it works and how to add it you can check out this video
How to open SciTE multiple times