The concept of the Seagate Central is a good one. The hard disk behemoth wanted to develop a user-friendly NAS device, and to keep things manageable for less experienced end-users it kept features to a minimum. If all you want is to share files and be able to access them online and via mobile apps, then you don't need the vast range of features from a QNAP or Synology NAS device.
There is a lot of free Microsoft software to be had, programs which enable better web surfing and help protect against spyware are just two types. PCSTATS Tips