WinDirStat PowerShell script or registry file to add context menu entries to open on drives or folder, with a little icon. No longer needed with WinDirStat v2.

windirstat-add-context-menu.ps1

# Adds shell integration for WinDirStat. The program should be installed in
# Program Files (x86) but it will check if that directory is not on C:
#
# Alternatively, if installed on C: you can use the reg file below instead.

if (-not ([security.principal.windowsprincipal][security.principal.windowsidentity]::getcurrent()).isinrole([security.principal.windowsbuiltinrole]::administrator)) {
    write-error "this script needs to be run as an administrator. please restart powershell as an administrator and try again."
    exit
}

new-psdrive -name hkcr -psprovider registry -root hkey_classes_root

$windirstatpath = join-path ${env:programfiles(x86)} "windirstat\windirstat.exe"

if ([string]::isnullorempty($windirstatpath) -or !(test-path $windirstatpath)) {
    write-error "windirstat not found at $windirstatpath. please check the installation path."
    exit
}

function add-registryentry {
    param (
        [string]$path,
        [hashtable]$properties
    )

    if (-not (test-path $path)) {
        new-item -path $path -force | out-null
    }

    foreach ($prop in $properties.getenumerator()) {
        set-itemproperty -path $path -Name $prop.Key -Value $prop.Value
    }
}

$registryEntries = @(
    @{
        Path = "HKCR:\Directory\Background\shell\windirstat"
        Properties = @{
            "(Default)" = "Open WinDirStat here"
            "Icon" = "$winDirStatPath,0"
        }
    },
    @{
        Path = "HKCR:\Directory\Background\shell\windirstat\command"
        Properties = @{
            "(Default)" = """$winDirStatPath"" ""%V"""
        }
    },
    @{
        Path = "HKCR:\Directory\shell\windirstat"
        Properties = @{
            "(Default)" = "Open WinDirStat here"
            "Icon" = "$winDirStatPath,0"
        }
    },
    @{
        Path = "HKCR:\Directory\shell\windirstat\command"
        Properties = @{
            "(Default)" = """$winDirStatPath"" ""%1"""
        }
    },
    @{
        Path = "HKCR:\Drive\shell\windirstat"
        Properties = @{
            "(Default)" = "Open WinDirStat here"
            "Icon" = "$winDirStatPath,0"
        }
    },
    @{
        Path = "HKCR:\Drive\shell\windirstat\command"
        Properties = @{
            "(Default)" = """$winDirStatPath"" ""%1\"""
        }
    }
)

foreach ($entry in $registryEntries) {
    Add-RegistryEntry -Path $entry.Path -Properties $entry.Properties
}

Write-Host "Registry entries for WinDirStat have been added successfully."

Remove-PSDrive -Name HKCR

windirstat-add-context-menu.reg

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\Directory\Background\shell\windirstat]
@="Open WinDirStat here"
"Icon"="C:\\Program Files (x86)\\WinDirStat\\windirstat.exe,0"

[HKEY_CLASSES_ROOT\Directory\Background\shell\windirstat\command]
@="C:\\Program Files (x86)\\WinDirStat\\windirstat.exe \"%V\""

[HKEY_CLASSES_ROOT\Directory\shell\windirstat]
@="Open WinDirStat here"
"Icon"="C:\\Program Files (x86)\\WinDirStat\\windirstat.exe,0"

[HKEY_CLASSES_ROOT\Directory\shell\windirstat\command]
@="C:\\Program Files (x86)\\WinDirStat\\windirstat.exe \"%1\""

[HKEY_CLASSES_ROOT\Drive\shell\windirstat]
@="Open WinDirStat here"
"Icon"="C:\\Program Files (x86)\\WinDirStat\\windirstat.exe,0"

[HKEY_CLASSES_ROOT\Drive\shell\windirstat\command]
@="C:\\Program Files (x86)\\WinDirStat\\windirstat.exe \"%1\\\""

windirstat-context-menu.png

This works, and (from a documentation / AI-assisted wiki search I did) the installer has an option to create context menus; maybe it didn't used to and maybe that's the implementation @opus-x refers to. So if the context menu is missing (as it was in my case), reinstalling the newest with that option may fix it.

@earthbound19 As far as I can remember there were no context menus when I did this, but they were added to WinDirStat v2.