Microsoft uses for Windows 10 a update cicle. We call it Windows as a service.
The following versions are available:
- Insider Preview
- Current Branch (CB)
- Current Branch for Business (CBB)
- Long Term Serving Branch (LTSB)
If you want to be the first man who has the newest version of Windows, you need to activate Windows Insider Preview.
When Insider Preview version is approved, it will bel showed in Current Branch (CB) the normal option when you install Windows 10.

For environments with al large of devices you can better choice for Current Branch for Business.
And for critical devices who needs always online and needs so minimum of update counts, you can better choice for Long Term Serving Branch.

