u can u can get the program from here
once u install and run it u need to:
click on setings icon in toolbar(2nd last), put a nickame and then go to sharing and add the folder which has files u would like to share, and put upload slots to 2, click ok
then u go to the first icon in toolbar(public hubs) and type gurseva.no-ip.com in the manual connect address and connect.
if u need any help let me know, hope to see u there