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This package was approved as a trusted package on 9/10/2019.

OpenMW is a free, open source and modern engine based which reimplements and extends the one that runs the 2002 open-world RPG Morrowind. The engine comes with its own editor , called OpenMW-CS which allows the user to edit or create their own original games. Both OpenMW-CS and OpenMW are written from scratch and aren’t made to support any third party programs the original Morrowind engine uses to improve its functionality.

NOTE: Playing Morrowind with this engine still requires the Morrowind data files from a copy that you own.

To install OpenMW, run the following command from the command line or from PowerShell:

C:\> choco install openmw

To upgrade OpenMW, run the following command from the command line or from PowerShell:

C:\> choco upgrade openmw


  • tools\chocolateyinstall.ps1 Show
    $ErrorActionPreference = 'Stop';
    $packageName = 'openmw'
    $packageArgs = @{
      packageName    = $packageName
      fileType       = 'exe'
      url            = ''
      url64bit       = ''
      checksum       = '45035b1d94ace4b36f2ba9907d9702debf615b97acbc78a9c550c2d29da74b5a'
      checksumtype   = 'sha256'
      checksum64     = 'a5aec5817973338d621c82e2a4a3f9c900e69ae433c47f5fe6cb621c40dab523'
      checksumtype64 = 'sha256'
      silentArgs     = "/S"
      validExitCodes = @(0)
      registryUninstallerKey = 'OpenMW 0.45.0'
    Install-ChocolateyPackage @packageArgs
  • tools\chocolateyuninstall.ps1 Show
    $packageName = 'openmw'
    $registryUninstallerKeyName = 'OpenMW 0.45.0' #ensure this is the value in the registry
    $shouldUninstall = $true
    $local_key     = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Uninstall\$registryUninstallerKeyName"
    $local_key6432   = "HKCU:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\$registryUninstallerKeyName" 
    $machine_key   = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\$registryUninstallerKeyName"
    $machine_key6432 = "HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\$registryUninstallerKeyName"
    $file = @($local_key, $local_key6432, $machine_key, $machine_key6432) `
        | ?{ Test-Path $_ } `
        | Get-ItemProperty `
        | Select-Object -ExpandProperty UninstallString
    if ($file -eq $null -or $file -eq '') {
        Write-Host "$packageName has already been uninstalled by other means."
        $shouldUninstall = $false
    $installerType = 'EXE' 
    $silentArgs = '/S'
    $validExitCodes = @(0)
    if (!(Test-Path $file)) {
        Write-Host "$packageName has already been uninstalled by other means."
        $shouldUninstall = $false
    if ($shouldUninstall) {
     Uninstall-ChocolateyPackage -PackageName $packageName -FileType $installerType -SilentArgs $silentArgs -validExitCodes $validExitCodes -File $file

Virus Scan Results

In cases where actual malware is found, the packages are subject to removal. Software sometimes has false positives. Moderators do not necessarily validate the safety of the underlying software, only that a package retrieves software from the official distribution point and/or validate embedded software against official distribution point (where distribution rights allow redistribution).

Chocolatey Pro provides runtime protection from possible malware.


This package has no dependencies.

Package Maintainer(s)

Software Author(s)

  • OpenMW Team


Release Notes

Version History

Version Downloads Last updated Status
OpenMW 0.44.0 668 Sunday, July 29, 2018 approved
OpenMW 0.43.0 477 Tuesday, December 5, 2017 approved
OpenMW 0.42.0 362 Monday, August 7, 2017 approved
OpenMW 0.41.0 404 Thursday, January 12, 2017 approved
OpenMW 0.40.0 367 Sunday, September 4, 2016 approved
OpenMW 0.39.0 241 Thursday, April 21, 2016 approved
OpenMW 0.38.0 284 Friday, January 22, 2016 approved
OpenMW 0.37.0 236 Wednesday, January 20, 2016 approved

Discussion for the OpenMW Package

Ground rules:

  • This discussion is only about OpenMW and the OpenMW package. If you have feedback for Chocolatey, please contact the google group.
  • This discussion will carry over multiple versions. If you have a comment about a particular version, please note that in your comments.
  • The maintainers of this Chocolatey Package will be notified about new comments that are posted to this Disqus thread, however, it is NOT a guarantee that you will get a response. If you do not hear back from the maintainers after posting a message below, please follow up by using the link on the left side of this page or follow this link to contact maintainers. If you still hear nothing back, please follow the package triage process.
  • Tell us what you love about the package or OpenMW, or tell us what needs improvement.
  • Share your experiences with the package, or extra configuration or gotchas that you've found.
  • If you use a url, the comment will be flagged for moderation until you've been whitelisted. Disqus moderated comments are approved on a weekly schedule if not sooner. It could take between 1-5 days for your comment to show up.

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