First read the addon description completely and you should be knowing what it's about, what is in and what to do (if described there).
Then read this:
https://www.esoui.com/forums/faq.php..._howto_install
And this:
https://www.esoui.com/forums/showthread.php?t=9149
After that:
Download, extract zip file (or use Minion do do both:
https://www.minion.gg/
Be sure to read this minion troubleshooter thread FIRST before downloading Minion as you should e.g. dl the 32bit version even if you are using a 64bit OS:
https://www.esoui.com/forums/showthread.php?t=8082).
Check which dependencies/libraries it needs (see the addon description, changelog and first "sticky" comments) and download and install as well.
Start game.
Enable addon + needed dependencies.
Press ESC-> settings -> AddOn settings -> Bandit... and configure it.
Btw: Each addon got comments where these questions should be posted to clean up the forums a bit:
https://www.esoui.com/downloads/info...Interface.html