Ensure you have the latest version downloaded - http://osbot.org/forum/topic/68899-mirrorclient-v1052/
After downloading move the mirrorclient.jar which can be found in the zip folder to your OSBot > Data folder -
There is actually a guide here - http://osbot.org/forum/topic/66800-osbot-mirror-client-your-guide/
If you would like some further help please come to the chat box
Assnerd going beyond his duties to make the forums a better place for you guys, its not often you get dedication like this. Whats next, Mod? Admin? Who knows..
I think they are the same, not 100% sure cutting is quicker though as you can do 28 bows in an inv whereas stringing you can only do 14 cutting is twice as AFK!
EDIT: Maybe stringing is quicker idek lol