Uncommon system windows: suggestions?

[WaryanMhara]

What are some unique and unconventional system windows that people may not be familiar with?

[WaryanMhara]

It's is based on Windows 10 but this system is designed for server systems to run properly.Also it's comes with some server features that you can't find them in Windows 10 That's why chatrandom echat Microsoft names these systems "Server"