The latest version is 126.96.36.199. Download it now: PlayWithYourPeas_Installer_1_0_0_11.zip
You will also need the following pre-requisites installed on your system (make sure that they are installed in the order given). It is critical that you have these exact versions.
Microsoft .NET 2.0 SP1: dotnetfx.exe
Microsoft DirectX: directx_nov2007_redist.zip
Microsoft XNA 2.0: xnafx20_redist.msi
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