The speed of one's DSL connection is always decided by your ISP, so it is not in your hand. If you want to increase DSL connection speed please contact your ISP. The person in charge there can increase the connection speed but you will be charged for that extra speed that you need. The other way is to do with the same speed of line but utilize max line speed. This can be done by cleaning the temporary file and unnecessary files from your computer. Also remove all the unwanted programs from your computer so that your computer will be perform at its best. Do not install too many spy wares or antivirus. Install a best and fast antivirus which will have minimum load on your computer performance. Also use some cooling equipment so that temperature of your computer will stay at low temperature and after you are done with all of this your computer will perform to its max fast speed. There are some browsers which are faster then our normal which we are using, so use some of them and for downloading file use download accelerator software to download files. Doing this you will get the internet line speed at its maximum and you will also have better speed than before.