Hi do you want to speed up your internet download speed? You can follow the below steps to speed up your internet .
1)If your system internet download speed is very slow. First reset your modem
2)Delete all cookies and temporary files.
3)Use different browser. Because normally some browser enabled java script
and flash video ,so the webpages is loaded very slow.So you can try it
different browser.
4)Virus,malwares is also another important thing it will make a slow connection.
So use a good antivirus software to remove all virus and malwares .
Finally go to this site Scanmyspeed.com then check your internet speed it will definitely works very fast.