Ok got this far but still having issues:
PS C:\Program Files (x86)\F5 Networks\iControlSnapIn> .\setupSnapIn.ps1
Registering iControlSnapIn...
Microsoft (R) .NET Framework Installation utility Version 2.0.50727.4927
Copyright (c) Microsoft Corporation. All rights reserved.
PS C:\Program Files (x86)\F5 Networks\iControlSnapIn> powershell -psconsolefile .\iControlSnapIn.psc1
WARNING: The following errors occurred when loading console C:\Program Files (x86)\F5
Networks\iControlSnapIn\iControlSnapIn.psc1:
Cannot load Windows PowerShell snap-in iControlSnapIn because of the following error: The Windows PowerShell snap-in
'iControlSnapIn' is not installed on this machine.
Windows PowerShell
Copyright (C) 2009 Microsoft Corporation. All rights reserved.