Your web browser could be the culprit, especially if you've lost count of the number of windows and tabs you have open. Each ...
At some point, every computer user experiences the frustration of a sluggish system. Programs take too long to load, basic tasks drag on, and even opening a file or web browser feels like a chore.
Chrome has a built-in Task Manager that shows tabs, extensions, and memory use, and you can use it to speed up your browser.
Do you really need more RAM?