@matteo-nunziati
basic
Get-CimInstance Win32_OperatingSystem

Or go to https://gallery.technet.microsoft.com/scriptcenter/PowerShell-System-571521d1
And download a more advanced ps1 from MS

Thanks.

Yep, DHCP isn't there.
I didn't check the details section at the RSAT download site but it's there:
DHCP Tools. Dhcpmgmt.msc is not available in this release of RSAT, but equivalent Windows PowerShell cmdlets are available.
https://www.microsoft.com/en-au/download/details.aspx?id=45520

If you are not into powershelling it, then it's Reddit to the rescue:
https://www.reddit.com/r/sysadmin/comments/3jlx38/heres_how_to_get_dhcp_snapin_working_on_windows_10/