On Windows 10, virtual memory (or paging file) is an essential component (hidden file) designed to remove and temporarily store less frequently use modified pages allocated in RAM (random-access memory) to the hard drive.

What is a good virtual memory size for Windows 10?

Microsoft recommends that you set virtual memory to be no less than 1.5 times and no more than 3 times the amount of RAM on your computer. For power PC owners (like most UE/UC users), you likely have at least 2GB of RAM so your virtual memory can be set up to 6,144 MB (6 GB).

Does Windows use virtual memory?

In modern operating systems such as Windows, applications and many system processes always reference memory by using virtual memory addresses. … Virtual memory is always being used, even when the memory that is required by all running processes does not exceed the volume of RAM that is installed on the system.