These tools are called Role Administration Tools (RSAT-Role-Tools) and include following features.

• Active Directory Users and Computers
• Active Directory Sites And Services
• Active Directory Domains and Trusts
• Active Directory Administrative center
• ADSI Edit
• Active Directory Module for Windows Powershell

Use Get-WindowsFeature cmdlet to get the list of Windows features.

Get-WindowsFeature –Name RSAT*

Use Add-WindowsFeature cmdlet to install new features.

ADD-WindowsFeature RSAT-Role-Tools

Check the result with Get-WindowsFeature cmdlet

Get-WindowsFeature –Name RSAT*

Enjoy.