Switch between PowerShell versions

You’ve installed PowerShell V3 (and that’s a good thing!) but you have to test a script to be sure it will run properly on a PowerShell V2 host. Luckily, we can switch between the two versions. The command to do so is the following:

powershell.exe -Version 2

1. Before

   ~\powerscripts> $psversion
   3.0
   

2. After

   ~\powerscripts> powershell.exe -version 2
   ~\powerscripts> $psversion
   2.0
   

3. Back to the Future

   ~\powerscripts> powershell.exe -version 3
   ~\powerscripts> $psversion
   3.0