Sometimes Windows starts responding slow if you have been working for a long time. Running multiple applications simultaneously for long periods leads to a gradual decrease in system performance over time. Often the only option is a restart. Even if you close the application in the Task Manager, the tasks/threads associated with the application are not released completely, depleting the systems memory resources making the system unstable and sluggish. Here is how you can clear up system memory to boost up computer performance. The following tip is designed to offer fast relief.