Discover how to easily boost your PC performance by increasing virtual memory in Windows 11 with our detailed, step-by-step guide. Maximize efficiency today! Virtual memory is a technique that uses hard drive space to supplement physical RAM when it is low. Learn how virtual memory works, how it differs from physical memory , and how to adjust it on Windows 10, 11, or XP. Learn what virtual memory is and how it supplements physical RAM by using a page file on your hard drive. Follow the steps to manually adjust the virtual memory size for optimal system performance. Learn how virtual memory extends the use of physical memory by using disk and provides memory protection. Explore the demand paging system, page replacement algorithms and their advantages and disadvantages.