Windows 10 uses memory compression to store more data in your system’s memory than it otherwise could. If you visit the Task Manager and look at your memory usage details, you’ll likely see that some of your memory is “compressed”. Here’s what that means. What Is Memory Compression? Memory compression is a new feature in Windows 10, and is not available on Windows 7 and 8. However, both Linux and Apple’s macOS also use memory compression. Traditionally, if you had 8 GB of RAM and applications had 9 GB of stuff to store in that RAM, at least 1 GB would have to be “paged out” and stored in the page file on your computer’s disk. Accessing data in the page file is very slow compared to RAM. With memory compression, some of that 9 GB of data can be compressed (just like a Zip file or other compressed data can be shrunk down) and kept in RAM. For example, you might have 6 GB of uncompressed data and 3 GB of compressed data that actually takes up 1.5 GB in RA...