You can Easily make your computer a Web server By using opera unite. You can download it from http://labs.opera.com/downloads/    ... Download the 7.08 megabyte Unite software. Then install the software in your computer. Then start the opera unite and click on “Unite” in the left side. Or click
 “Tools>Opera Unite Server>Manage Service”. Now click on “start” on the upper side & click ‘next’. Now login (if you don’t have account, you will need to sign up). Select your computer from the dropdown button and finish. Now clicking on ‘Browse’ button  select the folder which you  want to Share, then click o.k. Now Press on File Sharing, then from Access Control go to  Public. Now anyone can browse / download your shared file with this shared link. If you close this software , then the server will inactive. Every time while you want to share the file open the software and just log into your account.