Check out the Microsoft Remote Desktop apps for Windows 10 Universal Windows platform (Preview), Windows 8.1, Windows Phone, iOS, Mac OS X and Android. Note: Questions and comments are welcome. However, please DO NOT post a request for troubleshooting by using the comment tool at the end of this post. How to migrate connection data from Microsoft Remote Desktop 8.0? Verify you have the latest version 8.0.43 installed to migrate your connection data. Next look for Microsoft Remote Desktop in the App Store to download the new application on your Mac running OS X Yosemite or higher. Once installed you can skip the first run experience.
Microsoft has recently announced that their Remote Desktop v8 app will be deprecated and no longer available for download on the Mac app store as of September 1, 2018. Click here to view the announcement.
The app will appear with the following banner as of August 10, 2018:
The following article explains how to update from Microsoft Remote Desktop 8 to Microsoft Remote Desktop 10.
NOTE: Before starting this process, please ensure you have your user name and password for the Connected on Demand remote connection
1) Download the Microsoft Remote Desktop 10 from the Mac app store.
2) Open Microsoft Remote Desktop 10
3) Once the Microsoft Remote Desktop 10 is open, click the 'Import from Microsoft Remote Desktop 8' option from the 'Connections' menu, as shown in the following screen:
4) The following message will appear when the import is completed:
5) The new connections will be either under the 'Desktops' or the 'Apps' tab. Most Connected on Demand connections will appear under the 'Apps' tab, as shown in the following screen.
Click here for more information on how to setup a new Mac computer for access with Connected on Demand
I think you are out of luck, I don;t think you can download it from anywhere else.
Maybe also look into http://cord.sourceforge.net
Why don't you try downloading it on your computer and see if you can extract the file from the download? Right-click and show package content.
Download Remote Desktop 8.1
PS: Is that: https://www.microsoft.com/en-us/download/details.aspx?id=465 the right client?
I can't test it since I don't have a MAC at work.
or this one: https://www.microsoft.com/en-us/download/details.aspx?id=18140
Windows Remote Desktop Mac Download
Edited Apr 21, 2015 at 22:53 UTC