Install freerdp-x11 by entering the following commands in the terminal:
sudo apt update sudo apt install freerdp-x11
Description:
RDP client for Windows Terminal Services (X11 client)
FreeRDP is a libre client/server implementation of the Remote Desktop Protocol (RDP). . Currently, the FreeRDP client supports the following Windows Versions: . * Windows NT Server * Windows 2000 Terminal Server * Windows XP * Windows 2003 Server * Windows Vista * Windows 2008/2008r2/2011SBS Server * Windows 7 * Windows 2012/2012r2 Server * Windows 8 * Windows 10 . This package contains the X11 based client.
Homepage: http://www.freerdp.com/
Version: 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1
Section: universe/x11