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

Microsoft Remote Desktop 8 Dmg Software

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.

• For Mac OS X 10.11 you need definitely an older version than Microsoft Remote Desktop 10! I would need at least the Microsoft Remote Desktop 8.1, but I can't get it anywhere. I tried it on a MacMini with Mac OS 10.14 Mojave and Microsoft Remote Desktop 10 and it worked immediately.
• Microsoft Remote Desktop Client Mac Dmg. Mar 20, 2019 On your Windows, Android, or iOS device: Open the Remote Desktop app (available for free from Microsoft Store, Google Play, and the Mac App Store), and add the name of the PC that you want to connect to (from Step 1). Select the remote PC name that you added, and then wait for the connection.

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.

Microsoft Remote Desktop 8 Dmg Online

Download this app from Microsoft Store for Windows 10, Windows 8.1, Windows 10 Mobile, Windows Phone 8.1, Windows 10 Team (Surface Hub), HoloLens. See screenshots, read the latest customer reviews, and compare ratings for Microsoft Remote Desktop.

Microsoft Remote Desktop 8 Mac Dmg

or this one: https://www.microsoft.com/en-us/download/details.aspx?id=18140