Hi vegan87,
Welcome to the HP Forums!
I would like to take a moment and thank you for using the forum, it is a great place to find answers.
For you to have the best experience in the HP forum, I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I grasp that your computer is running very slow. Here is a document to assist you with improving your performance. Improving System Performance without Adding Memory (Windows 7)