firstdownload burp from to admit thisyou will require modern java installationwhich all operating systems either have packages or installers for the next step is to grab the jython ( python implementation written in javastandalone jar filewe'll point burp to this you can find this jar file on the no starch site along with the rest of the book' code (official sitedon' let the name fool youit' just jar file save the jar file to an easy-to-remember locationsuch as your desktop nextopen up command-line terminaland run burp like so#java -xx:maxpermsize= -jar burpsuite_pro_v jar this will get burp to fire up and you should see its ui full of wonderful tabsas shown in figure - now let' point burp at our jython interpreter click the extender taband then click the options tab in the python environment sectionselect the location of your jython jar fileas shown in figure - you can leave the rest of the options aloneand we should be ready to start coding our first extension let' get rockingfigure - burp suite gui loaded properly