You put computers in AD for the same reason you put people in AD: Management and security.
You add users to your domain to give them access to different resources, but also to control their access. The same thing goes for computers. Just as you dont allow just anyone to log into the domain, you do not allow any computer access either.
Look in group policy, you will see just as much management criteria for computer as people. You can learn a lot just looking at the controls you have.
STEP 1.) Download and install Remote Server Administration Tools (RSAT) for Windows 8.1
http://www.microsoft.com/en-us/download/details.aspx?id=39296
STEP 2.) For x64, install Windows8.1-KB2693643-x64.msu
STEP 3.) Active Feature
Select AD DS and AD LDS Tools and then select Active Directory Module for Windows PowerShell.
To turn off specific tolos
1.On the desktop, hover in the upper right corner of the screen, and then click Settings.
2.On the Desktop menu, click Control Panel.
3.Click Programs, and then in Programs and Features, click Turn Windows features on or off.
4.In the Windows Features dialog box, expand Remote Server Administration Tools, and then expand either Role Administration Tools or Feature Administration Tools.
5.Clear the check boxes for any tools that you want to turn off. Click OK, and then close Control Panel.
STEP 4.) Open a PowerShell prompt and type PS C:\> Get-Module –ListAvailable
.
STEP 5.) To ensure the Active Directory Module is present, using PowerShell type PS C:> Import-Module ActiveDirectory
.
NOTE: You will need to do this for every PowerShell session.
If you wish to have the Active Directory Module automatically loaded any time you run PowerShell, prepare a shortcut with the following content: %windir%\system32\WindowsPowerShell\v1.0\powershell.exe -noexit -command import-module ActiveDirectory
STEP 6.) PS C:> Get-ADGroupMember "MY CUSTOM GROUP IN AD" | select name
Appenders:
Installation and Uninstallation of MSU in silent mode
http://msiworld.blogspot.com.es/2012/04/silent-install-and-uninstall-of-msu.html
Sources:
https://support.software.dell.com/es-es/appassure/kb/117489
https://kiquenet.wordpress.com/2015/01/21/installing-powershell-active-directory-module-for-windows-8-1/
Best Answer
The RSAT tools for the release build of Windows 10 aren't out yet.
It's expected sometime this month, alongside Tech Preview 3 of Server 2016.
Once it's out, install and enable as you normally would.
For now, you could always spin up a Windows 8 VM (using the included Hyper-V feature?) and import a remote PowerShell session from that.
Something along the lines of:
Note: I haven't tested this myself. I'm holding off on upgrading my workstation until the tools are out.