Press the Windows key + R
In the window that pops up, type: \\Delta\RDPNT\Install (you can also copy and paste from here)
Run (double click) the file "1-uninstallRDP"
When finished, click "OK" on the "RDPWin Maintenance" window
Then back in the folder (\\Delta\RDPNT\Install) click on the file "2-setupNewRDP"
Then click "Install"
Congratulations! You have now updated your RDP.