Check Citrix Receiver/Workspace Version
From the local computer (outside of the Citrix desktop)
At the bottom, right corner of your screen, left-click on the tiny arrow icon.
Hover your mouse over the black circle icon and right-click. Workspace icon will be a blue circle.
Right-click on ‘Advanced Preferences’. A new window with Version information will open that will provide the version of Receiver you are currently using.