Every time I need to install Microsoft Orca for editing and/or reviewing MSI files, I am searching where Microsoft have hidden this tool. Despite some comments on the Internet, Orca is not gone. I believe that Microsoft discontinued development, but it is still downloadable and you can definitely get it installed. There are a couple of ways to install MS Orca, but here is what I do to get it installed on my machine (Windows 10):

  1. Download the Microsoft Windows SDK for Windows 7 and .NET Framework 3.5 SP1 (ISO)Windows 7 SDK
  2. Mount the ISO file (or burn on DVD > insert disk)
  3. Navigate to folder \Setup\WinSDKTools
  4. Open cab1.cab
  5. Right click WinSDK_Orca_Msi_5E20C107_DAA3_4D49_AFAE_7FB2594F0CDC_x86 –> Extract to a folder of your choice
  6. Add .msi to the file name
  7. Install

Once installed you will see a new option (Edit with Orca) in the right click menu of a MSI file.

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