Over a period of time you will find that your computer slows down and it does not work as fast as when you have bought it. there are many reasons behind it. you would have used a lot of software during this time and even if you are not using those software, they still remain in your system. The files in your system would have been disorganized and many programs might be loaded when your computer boots up. These are some of the reasons for your computer to get slow over a period. There are tools available in your system itself for organizing your files internally. Yes, the defragmenter is the tool that you have to use to organize the files properly internally. After running this tool you might see a marked improvement in the performance. Before you attempt any de-fragmentation backup the necessary files in your system. You can also use the tool ?disk cleanup? to cleanup the memory and recover some memory.
Use the Add or Remove programs in the Control panel and remove all the unnecessary programs in your computer. Use the ?msconfig? tool in the command prompt and check the startup tab to see the programs that are automatically loaded during startup. Remove the programs that need not startup automatically. Do all these tasks and you could make your computer load faster.