once you download the Zip file. Create one new folder on your machine. Then extract all the files in that folder. you would see number of files in the folder. subsequant to that you would see onesub folder called input. in this input folder you need to download bhavecopy file for last 200 days from NSE site. Once these files are downlaoded in input folder you have to run the files there is special icon in the folder by named run. double click on the icon the rest will be done autometicaly. after first instalation you need to do this everyday with new bhav copy please note