Windows isn’t the only operating system you can run on your PC. Provided you have space on your local drive, you can use multiple partitions to run different Linux distros, create storage partitions, ...
If you're juggling multiple operating systems, or you have multiple partitions you need to manage for one reason or another, you're probably familiar with Microsoft's built-in tool for partition ...
So the GF needed a new laptop and so we buy a nice Huawei Matebook. A while in, I notice the 1tb drive, besides EFI and recovery partitions, has an 80gb C: "Windows" partition and a "Data" partition.