A: you can get it
here but please read the instructions!
A: Right here:
A: Please submit bugs/feedback to the
PowerShell Connect Site including prefix bug submission titles with V3.
A: YES. Installing V3 will update V2 to V3. The download is an update to the current version. Note that when V3 is loaded, you can still run V2 by specifying the '-Version 2' parameter when starting PowerShell - thus you can run V2 and V3
'side by side'.
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Technically it does not remove v2. It updates it, but you can always force Powershell to run scripts in compatibility mode for v2.
Here is a link to an example of how to run v2 scripts in Powershell 3 CTP1.
Would be useful to explain the status of the Help files delivered with the CTP1 (not really about V3 ?) and what to do or not to do with them (as the Update-Help cmdlet does not seem to accept them)
The Release Notes doc is misleading when it says that "The WMF 3.0 CTP1 version of Windows PowerShell 3.0 can be installed side-by-side with Windows PowerShell 2.0. ". Side-by-side does not mean "install to the same directory using the same executable names. The -version 2 argument is a nice feature, but it's not quite side-by-side.
@jjwillemen What do you mean by "the Update-Help cmdlet does not seem to accept them"? What error do you get when you run Update-Help?
I've updated the faq to accomodate Rich's question and to explain better the script link.
I notice that ISE doesn't have a -version argument. Is there a way to run ISE with version 2 compatibility?
@Mike Shepard - The 3rd question answers that. You cant natively do it but a script has been created that allows you to test code in V2.