How to Optimize and Speed Up Slow Vista Computer

1. Make sure your computer is free from viruses, trojans, malware, adware and other malicious software/applications.
2. Delete unnecessary garbage files and free up space using PC optimizer. They are a lot of them, maybe the most popular one is CC Cleaner since it is free yet a very excellent utility software, you can download CC Cleaner here.
3. Use registry cleaner to clean  unused registry keys, this can also be done with CC Cleaner, but for optimum result you may have to by paid registry cleaner.
4. Disable start up applications, they are applications that start when you turn your computer on. CC Cleaner also does a great job to do this.
5. Disable unnecessary Windows services. This will specifically be elaborated in the bellow.