1) Once you have designed your PCB, click on output.
2) You get a drop down, select "Manufacturing Plots".
3) In "Auto-Gen plots" tab, select "Gerber".
4) Select the appropriate settings and click "OK".
5) Add board outline by clicking "Add Plot" and then "Gerber"
6) Change the Plot Name.
7)Go to "Layers" and double click on Board Outline for "Yes". Then go to "Options""
8)Select "Gerber"
9) Select the Format. Click "RS274-X" and then "OK".
10) Go to "NC Drill"
11) Select the units and click "OK"
12)Click "OK".
13)Select the layers and click "Run".
14) All files have been saved.
15) Select the files and compress into .Zip file and you are ready to upload the file on"LionCircuits".