1.unrar the conky-high.tar.gz to /home/your-username/
2.press Ctrl+h to see the invisible files & folders
3.navigate to the folder you just copy and modified (/home/your username/.conky-high) and run conky.sh file (make sure in properties-permissions tab the file is executable)
4.wait a few seconds (10 sec i think) and the conky will appear on your desktop!!:)
5.To add to startup go to panel Startup Applications Preferences , click Add tab then enter the following:
then click Save tab.