Disk Quota is a dedicated limit set by an administrator which restricts a user or a group to a limited disk usage in the modern operating systems.
Disk Quota can also be defined as a virtual partition that allows users or groups to use only given space in the modern operating systems.
You can Enable Disk Quota in Win 7 or Disk Quota in Win 7 in few step

Please take the opportunity to connect and share this video with your friends and family if you find it useful.