Not relevant to most of the new devices as they are equipped with tons of memory, however, still a useful concept for the older machines or devices lacking enough memory. Virtual memory in Windows is used in place of the physical RAM when it runs out of the usable space.
Adjust Windows 10 virtual memory settings: If you have upgraded to Windows 10 and are now concerned with the memory management issues and lagging performance, here is how to tweak some settings to fix this issue.