Not familiar with Linux? The reason why the concept of the file system might seem foreign is that neither MacOS nor Windows offers options with regard to choosing which file system you want to use.

With support for Windows 10 ending in a few months, the 'End of 10' digital collective has resources and advice for those making the jump.

If you want to change hard disk size in VMware, you can follow the steps mentioned in this post if your guest OS is Windows or Linux.