What version of PowerShell comes with Windows 7?

I recently installed Windows 7 on a fresh system, and running get-host in PowerShell tells me I'm running version 2.0, even though it's installed in the v1.0 folder.

Windows PowerShell
Copyright (C) 2009 Microsoft Corporation. All rights reserved.

PS C:\Users\user> get-host


Name             : ConsoleHost
Version          : 2.0
InstanceId       : 61ef8a3b-0212-4743-87a1-eb2c00fb1e29
UI               : System.Management.Automation.Internal.Host.InternalHostUserI
                   nterface
CurrentCulture   : en-US
CurrentUICulture : en-US
PrivateData      : Microsoft.PowerShell.ConsoleHost+ConsoleColorProxy
IsRunspacePushed : False
Runspace         : System.Management.Automation.Runspaces.LocalRunspace