Computer acting sluggish? You might need more memory. Here's how to check how much RAM you have, and how much your PC or Mac is actually using.

Here are three easy ways to check the number of RAM slots available without opening your computer on Windows 11. When you purchase through links on our site, we may earn an affiliate commission.

RAM is a vital component that ensures a system's proper operation. In simple terms, RAM functions as short-term memory, where your system temporarily stores information while working on a task.