Just like the unused programs, the temporary files also clutter up your PC, making it slower. You should also make sure that you delete the browser history as that will speed up the computer. You will be able to follow some simple steps to do this. If you need help with these matters, you should get in touch with a professional. Companies like XnetIT Australia are quite popular among those who are looking for a company specializing in software development in Australia. If you are searching for a software developer in Sydney, you should get in touch with such reputed companies.