Your computer has physical memory (RAM). When you run programs, they live in RAM because it’s super fast. But RAM is limited. When your RAM fills up (e.g., you have 50 browser tabs open, Photoshop, and Spotify running), Windows needs somewhere to put the overflow.
Here’s the short answer:
If you’ve ever turned on "Show hidden files" in Windows, you might have noticed a mysterious, massive file on your C: drive called pagefile.sys . It sits there, often taking up several gigabytes of space, with no obvious purpose. what is pagefile.sys and can i delete it
It’s natural to ask: What is this thing, and can I delete it to free up space? Your computer has physical memory (RAM)
Let’s break down why. At its core, pagefile.sys is a hidden system file that acts as virtual memory . When your RAM fills up (e