How to Manage the Windows 10 Virtual Memory Page File Properly managing virtual memory in Windows 10 can significantly improve system performance. In this video, we'll explore how to do this through the Windows 10 page file— also known as pagefile.sys. Before we begin, be sure to subscribe to NinjaOne’s IT Video Hub for more tech content like this. What is virtual memory? Let's start by answering a fundamental question. Back in 1961, the University of Manchester's Atlas Computer introduced virtual memory—a revolutionary concept born out of necessity. Physical RAM simply couldn't keep up with increasingly complex programs. Today, Windows 10 uses this concept through a file called pagefile.sys, a dynamic system that extends your RAM using hard disk space, making your system more adaptive and flexible. How pagefile.sys works So how does pagefile.sys work? When your physical RAM fills up, Windows moves data to the page file, freeing up memory for other tasks. Behind the scenes, several components keep everything running smoothly: the virtual memory manager, page tables, memory compression, and priority management. How to manage the Windows 10 virtual memory page file Here’s how to fine-tune your device’s virtual memory with the page file. First, launch the Control Panel and open System Properties. Go to Advanced system settings, click Performance Settings, and choose the Advanced tab. Under Virtual memory, click Change, and uncheck “Automatically manage paging file size for all drives” Next, set a custom size for your virtual memory. Here are some recommended starting points: 8GB RAM, with an initial value of 8GB and a maximum value of 16GB; 16GB RAM, with an initial value of 16GB and a maximum value of 24GB; and 32GB RAM, with an initial value of 20GB and a maximum value of 40GB. Once this is set, click Set and then Restart. Advanced optimization tips for pagefile.sys Finally, if you need to further optimize performance, try these advanced page file configurations: use your fastest SSD for page file storage, place the file on a dedicated partition, distribute across multiple drives, avoid storing it on the same drive as your OS, and monitor drive wear on SSDs. In the end, as the system performance of your Windows 10 PC fluctuates, we recommend fully understanding these changes and appropriately managing your virtual memory to maintain optimized performance and maximize productivity. For more information, check out our official blog post on managing pagefile.sys, linked in the description below.