There is a new version of PowerShell v5 out…. Get it while its hot :)
Here is the blog post
http://blogs.msdn.com/b/powershell/archive/2015/04/29/windows-management-framework-5-0-preview-april-2015-is-now-available.aspx
Here is the direct link
http://www.microsoft.com/en-us/download/details.aspx?id=46889