diff --git a/docker-compose.build.yml b/docker-compose.build.yml
index e71b772..f2891be 100644
--- a/docker-compose.build.yml
+++ b/docker-compose.build.yml
@@ -52,3 +52,11 @@ services:
           - "./windows.ltsc2022:c:\\app"
         working_dir: "c:\\app"
         entrypoint: ["pwsh", "-file", "scripts/run-tests.ps1"]
+
+    windows.ltsc2025:
+        build: windows.ltsc2025
+        image: docker.packages.octopushq.com/octopusdeploy/worker-tools:${BUILD_NUMBER?err}-windows.ltsc2025
+        volumes:
+          - "./windows.ltsc2025:c:\\app"
+        working_dir: "c:\\app"
+        entrypoint: ["pwsh", "-file", "scripts/run-tests.ps1"]
diff --git a/windows.ltsc2025/Dockerfile b/windows.ltsc2025/Dockerfile
new file mode 100644
index 0000000..d85c425
--- /dev/null
+++ b/windows.ltsc2025/Dockerfile
@@ -0,0 +1,143 @@
+# escape=`
+
+FROM mcr.microsoft.com/dotnet/sdk:10.0.300-windowsservercore-ltsc2025
+SHELL ["powershell", "-Command"]
+
+ARG 7Zip_Version=26.0.0
+ARG Argo_Cli_Version=3.4.2
+ARG Aws_Cli_Version=2.34.53
+ARG Aws_Iam_Authenticator_Version=0.7.17
+ARG Aws_Powershell_Version=5.0.218
+ARG Azure_Cli_Version=2.86.0
+ARG Azure_Powershell_Version=15.6.1
+ARG Eks_Cli_Version=0.226.0
+ARG Git_Version=2.54.0
+ARG Google_Cloud_Cli_Version=566.0.0
+ARG Helm_Version=3.20.1
+ARG Java_Jdk_Version=25.0.0.1
+ARG Kubectl_Version=1.35.1
+ARG Kubectl_Versions=1.32.12,1.33.8,1.34.4,1.35.1
+ARG Kubelogin_Version=0.2.17
+ARG Node_Version=24.16.0
+ARG Nuget_Cli_Version=7.6.0
+ARG Octopus_Cli_Legacy_Version=9.1.7
+ARG Octopus_Cli_Version=2.21.1
+ARG Octopus_Client_Version=21.11.2726
+ARG Powershell_Version=7.6.1
+ARG Python_Version=3.14.5
+ARG ScriptCs_Version=0.17.1
+ARG Service_Fabric_Version=10.1.2338.9590
+ARG Service_Fabric_Sdk_Version=7.1.2338
+ARG Terraform_Version=1.15.4
+
+# Install Choco
+RUN $ProgressPreference = 'SilentlyContinue'; `
+    Set-ExecutionPolicy Bypass -Scope Process -Force; `
+    [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; `
+    iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))
+
+# Disable .NET CLI telemetry
+ENV DOTNET_CLI_TELEMETRY_OPTOUT=1
+
+# Install JDK
+RUN choco install openjdk --allow-empty-checksums --y --no-progress --version $Env:Java_Jdk_Version; `
+    Import-Module $env:ChocolateyInstall\helpers\chocolateyProfile.psm1; `
+    Update-SessionEnvironment
+
+# Install Azure CLI
+RUN choco install azure-cli -y --version $Env:Azure_Cli_Version --no-progress
+
+# remove az cli warning - https://github.com/Azure/arm-deploy/issues/173
+RUN az config set bicep.use_binary_from_path=false 
+
+# Install the AWS CLI
+RUN choco install awscli -y --version $Env:Aws_Cli_Version --no-progress
+
+# Install the AWS IAM Authenticator 
+RUN choco install aws-iam-authenticator -y --version $Env:Aws_Iam_Authenticator_Version --no-progress
+
+# Install AWS PowerShell modules
+# https://docs.aws.amazon.com/powershell/latest/userguide/pstools-getting-set-up-windows.html#ps-installing-awspowershellnetcore
+RUN Install-PackageProvider -Name NuGet -MinimumVersion 2.8.5.201 -Force; `
+    Install-Module -name AWSPowerShell.NetCore -RequiredVersion $Env:Aws_Powershell_Version -Force
+
+# Install Azure PowerShell modules
+# https://docs.microsoft.com/en-us/powershell/azure/install-az-ps?view=azps-3.6.1
+RUN Install-Module -Force -Name Az -AllowClobber -Scope AllUsers -MaximumVersion $Env:Azure_Powershell_Version; `
+    Enable-AzureRmAlias -Scope LocalMachine
+
+# Install NodeJS
+RUN choco install nodejs-lts -y --version $Env:Node_Version --no-progress
+
+# Install kubectl
+RUN New-Item -ItemType Directory -Path C:\kubectl -Force | Out-Null; `
+    foreach ($v in ($Env:Kubectl_Versions -split ',')) { `
+        Invoke-WebRequest "https://dl.k8s.io/release/v$v/bin/windows/amd64/kubectl.exe" -OutFile "C:\kubectl\kubectl-$v.exe"; `
+    } `
+    Copy-Item "C:\kubectl\kubectl-$($Env:Kubectl_Version).exe" C:\Windows\system32\kubectl.exe;
+
+# Install Kubelogin
+RUN choco install azure-kubelogin --version $Env:Kubelogin_Version --no-progress -y
+
+# Install helm 3
+RUN Invoke-WebRequest "https://get.helm.sh/helm-v${Env:Helm_Version}-windows-amd64.zip" -OutFile helm.zip; `
+    Expand-Archive helm.zip -DestinationPath helm; `
+    mv helm\windows-amd64\helm.exe C:\Windows\system32\; `
+    Remove-Item -Recurse -Force helm, helm.zip
+
+# Install Terraform
+RUN choco install -y terraform --version $Env:Terraform_Version --no-progress
+
+# Install python
+RUN choco install -y python3 --version $Env:Python_Version --no-progress; `
+    Import-Module $env:ChocolateyInstall\helpers\chocolateyProfile.psm1; `
+    Update-SessionEnvironment
+
+# Install 7ZIP because gcloud
+RUN choco install 7zip -y --version $Env:7Zip_Version --no-progress
+
+# Install gcloud
+RUN choco install gcloudsdk -y --version $Env:Google_Cloud_Cli_Version --no-progress
+
+# Install gcloud kubectl auth
+RUN gcloud components install gke-gcloud-auth-plugin --quiet
+
+# Install ScriptCS
+RUN choco install scriptcs -y --version $Env:ScriptCs_Version --no-progress
+
+# Install Octopus CLI
+RUN choco install octopus-cli -y --version $Env:Octopus_Cli_Version --no-progress
+
+# Install octo
+RUN choco install octopustools -y --version $Env:Octopus_Cli_Legacy_Version --no-progress
+
+# Install Octopus Client
+RUN Install-Package Octopus.Client -source https://www.nuget.org/api/v2 -SkipDependencies -Force -RequiredVersion $Env:Octopus_Client_Version
+    
+# Install eksctl
+RUN choco install eksctl -y --version $Env:Eks_Cli_Version --no-progress
+
+# Install NuGet CLI
+RUN choco install nuget.commandline -y --version $Env:Nuget_Cli_Version --no-progress
+
+# Install Microsoft Service Fabric runtime
+RUN Invoke-WebRequest "https://download.microsoft.com/download/b/8/a/b8a2fb98-0ec1-41e5-be98-9d8b5abf7856/MicrosoftServiceFabric.${Env:Service_Fabric_Version}.exe" -OutFile sf-runtime.exe; `
+    Start-Process .\sf-runtime.exe -ArgumentList '/accepteula', '/force', '/quiet' -Wait; `
+    Remove-Item sf-runtime.exe
+
+# Install Microsoft Service Fabric SDK
+RUN Invoke-WebRequest "https://download.microsoft.com/download/b/8/a/b8a2fb98-0ec1-41e5-be98-9d8b5abf7856/MicrosoftServiceFabricSDK.${Env:Service_Fabric_Sdk_Version}.msi" -OutFile sf-sdk.msi; `
+    Start-Process msiexec.exe -ArgumentList '/i', 'sf-sdk.msi', '/quiet', '/norestart' -Wait; `
+    Remove-Item sf-sdk.msi
+
+# PowerShell 7 is provided by the .NET SDK base image (see Powershell_Version ARG)
+
+# Install Git
+RUN choco install git.install --yes --version $Env:Git_Version --no-progress
+
+# Install Argo CD
+RUN choco install argocd-cli --yes --version $Env:Argo_Cli_Version --no-progress
+
+# Update path for new tools
+ADD .\scripts\update_path.cmd C:\update_path.cmd
+RUN .\update_path.cmd;
diff --git a/windows.ltsc2025/README.md b/windows.ltsc2025/README.md
new file mode 100644
index 0000000..567eb02
--- /dev/null
+++ b/windows.ltsc2025/README.md
@@ -0,0 +1,54 @@
+# Windows WorkerTools
+
+> Please note that we update this document periodically to match the latest version on DockerHub which is publicly available.
+> This does not necessarily match the content of Dockerfiles in this repository, as they may contain changes that are not released yet.
+
+## Image Name
+
+`octopusdeploy/worker-tools`
+
+## Tags
+
+- `6.0.0-windows.ltsc2025`
+- `6.0-windows.ltsc2025`
+- `6-windows.ltsc2025`
+- `windows.ltsc2025`
+
+## Digest
+
+`<populated after first publish>`
+
+## Base Image
+
+`mcr.microsoft.com/windows/servercore:ltsc2025-amd64`
+
+## Installed Software
+
+- .NET SDK 10.0.300
+- .NET Framework 4.8.1
+- Argo CD CLI 3.4.2
+- Aws CLI 2.34.53
+- Aws Iam Authenticator 0.7.17
+- Aws PowerShell Modules 5.0.218
+- Azure CLI 2.86.0
+- Azure PowerShell Modules 15.6.1
+- Eksctl 0.226.0
+- Google Cloud CLI 566.0.0
+- Google Cloud GKE auth plugin 566.0.0-0
+- Helm 3.20.1
+- Java Jdk 25.0.0.1
+- Kubectl 1.35.1 (also 1.34.4, 1.33.8, 1.32.12 in C:\kubectl)
+- Kubelogin (azure-kubelogin) 0.2.17
+- Microsoft Service Fabric 10.1.2338.9590
+- Microsoft Service Fabric SDK 7.1.2338
+- Node 24.16.0
+- Nuget CLI 7.6.0
+- Octopus CLI Legacy 9.1.7
+- Octopus CLI 2.21.1
+- Octopus Client 21.11.2726
+- Powershell 7.6.1
+- Python 3.14.5
+- ScriptCs 0.17.1
+- Terraform 1.15.4
+- 7Zip 26.0
+- Chocolatey - Latest
diff --git a/windows.ltsc2025/Tests.Dockerfile b/windows.ltsc2025/Tests.Dockerfile
new file mode 100644
index 0000000..7b83e05
--- /dev/null
+++ b/windows.ltsc2025/Tests.Dockerfile
@@ -0,0 +1,4 @@
+ARG ContainerUnderTest=octopusdeploy/worker-tools
+
+FROM ${ContainerUnderTest}
+SHELL ["powershell", "-Command"]
\ No newline at end of file
diff --git a/windows.ltsc2025/scripts/run-tests.ps1 b/windows.ltsc2025/scripts/run-tests.ps1
new file mode 100644
index 0000000..ae30688
--- /dev/null
+++ b/windows.ltsc2025/scripts/run-tests.ps1
@@ -0,0 +1,22 @@
+Write-Output "##teamcity[blockOpened name='Pester tests']"
+
+try {
+    Install-Module -Name "Pester" -MinimumVersion "5.0.2" -Force
+
+    Import-Module -Name "Pester"
+
+    Set-Location /app/spec
+
+    Write-Output "Running Pester Tests"
+    $configuration = [PesterConfiguration]::Default
+    $configuration.TestResult.Enabled = $true
+    $configuration.TestResult.OutputPath = '/app/spec/PesterTestResults.xml'
+    $configuration.TestResult.OutputFormat = 'NUnitXml'
+    $configuration.Run.PassThru = $true
+    $configuration.Output.Verbosity = "Detailed"
+
+    Invoke-Pester -configuration $configuration
+} catch {
+    exit 1
+}
+Write-Output "##teamcity[blockClosed name='Pester tests']"
diff --git a/windows.ltsc2025/scripts/update_path.cmd b/windows.ltsc2025/scripts/update_path.cmd
new file mode 100644
index 0000000..48b17e4
--- /dev/null
+++ b/windows.ltsc2025/scripts/update_path.cmd
@@ -0,0 +1,2 @@
+setx /M path "%PATH%;C:\kubectl;C:\Program Files\PackageManagement\NuGet\Packages\Octopus.Client.21.11.2726\lib\net462\Octopus.Client.dll"
+
diff --git a/windows.ltsc2025/spec/windows.ltsc2025.tests.ps1 b/windows.ltsc2025/spec/windows.ltsc2025.tests.ps1
new file mode 100644
index 0000000..b23e7df
--- /dev/null
+++ b/windows.ltsc2025/spec/windows.ltsc2025.tests.ps1
@@ -0,0 +1,158 @@
+$ErrorActionPreference = "Continue"
+
+$pesterModules = @( Get-Module -Name "Pester");
+Write-Host 'Running tests with Pester v'+$($pesterModules[0].Version)
+
+Describe  'installed dependencies' {
+    It 'has powershell installed' {
+        $output = & powershell -command "`$PSVersionTable.PSVersion.ToString()"
+        $LASTEXITCODE | Should -be 0
+        $output | Should -Match '^5\.1\.'
+    }
+
+    It 'has Octopus.Client installed ' {
+        $expectedVersion = "21.11.2726"
+        Test-Path "C:\Program Files\PackageManagement\NuGet\Packages\Octopus.Client.$expectedVersion\lib\net462\Octopus.Client.dll" | Should -Be $true
+        [Reflection.AssemblyName]::GetAssemblyName("C:\Program Files\PackageManagement\NuGet\Packages\Octopus.Client.$expectedVersion\lib\net462\Octopus.Client.dll").Version.ToString() | Should -Match "$expectedVersion.0"
+    }
+
+    It 'has dotnet installed' {
+        dotnet --version | Should -Match '10.0.\d+'
+        $LASTEXITCODE | Should -be 0
+    }
+
+    It 'has .NET Framework 4.8.1 installed' {
+        $release = (Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full' -Name Release).Release
+        $release | Should -BeGreaterOrEqual 533320
+    }
+
+    It 'has java installed' {
+        java -version 2>&1 | Select-String -Pattern '25' | Should -BeLike "*25*"
+        $LASTEXITCODE | Should -be 0
+    }
+
+    It 'has az installed' {
+      $output = (& az version) | convertfrom-json
+      $output.'azure-cli' | Should -Be '2.86.0'
+      $LASTEXITCODE | Should -be 0
+    }
+
+    It 'has az powershell module installed' {
+        (Get-Module Az -ListAvailable).Version.ToString() | should -be '15.6.1'
+    }
+
+    It 'has aws cli installed' {
+      aws --version 2>&1 | Should -Match '2.34.53'
+    }
+
+    It 'has aws powershell installed' {
+      Import-Module AWSPowerShell.NetCore
+      Get-AWSPowerShellVersion | Should -Match '5.0.218'
+    }
+
+    # There is no version command for aws-iam-authenticator, so we just check for the installed version.
+    It 'has aws-iam-authenticator installed' {
+        Test-Path 'C:\ProgramData\chocolatey\bin\aws-iam-authenticator.exe' | should -be $true
+    }
+
+    It 'has node installed' {
+        node --version | Should -Match '24.16.0'
+        $LASTEXITCODE | Should -be 0
+    }
+
+    It 'has kubectl installed' {
+        kubectl version --client | Select-String -Pattern "1.35.1" | Should -BeLike "Client Version: v1.35.1"
+        $LASTEXITCODE | Should -be 0
+    }
+
+    It 'has multiple kubectl versions available' {
+        foreach ($v in @('1.32.12', '1.33.8', '1.34.4', '1.35.1')) {
+            Test-Path "C:\kubectl\kubectl-$v.exe" | Should -Be $true
+            (& "C:\kubectl\kubectl-$v.exe" version --client) | Select-String -Pattern $v | Should -BeLike "*v$v"
+        }
+    }
+
+    It 'has kubelogin installed' {
+        kubelogin --version | Select-Object -First  1 -Skip 1 | Should -match 'v0.2.17'
+        $LASTEXITCODE | Should -be 0
+    }
+
+    It 'has helm installed' {
+        helm version | Should -Match '3.20.1'
+        $LASTEXITCODE | Should -be 0
+    }
+
+    # If the terraform version is not the latest, then `terraform version` returns multiple lines and a non-zero return code
+    It 'has terraform installed' {
+        terraform version | Select-Object -First 1 | Should -Match '1.15.4'
+    }
+
+    It 'has python installed' {
+        python --version | Should -Match '3.14.5'
+        $LASTEXITCODE | Should -be 0
+    }
+
+    It 'has gcloud installed' {
+        gcloud --version | Select-String -Pattern "566.0.0" | Should -BeLike "Google Cloud SDK 566.0.0"
+        $LASTEXITCODE | Should -be 0
+    }
+
+    # Version follows gcloud SDK bundled plugin; pin loosely to avoid drift.
+    It 'has gke-gcloud-auth-plugin installed' {
+        gke-gcloud-auth-plugin --version | Select -First 1 | Should -BeLike "Kubernetes v*"
+        $LASTEXITCODE | Should -be 0
+    }
+
+    It 'has octopus cli installed' {
+        octopus version | Should -Match '2.21.1'
+        $LASTEXITCODE | Should -be 0
+    }
+
+    It 'has octo installed' {
+        octo --version | Should -Match '9.1.7'
+        $LASTEXITCODE | Should -be 0
+    }
+
+    It 'has eksctl installed' {
+        eksctl version | Should -Match '0.226.0'
+        $LASTEXITCODE | Should -be 0
+    }
+
+    It 'has 7zip installed' {
+        $output = (& "C:\Program Files\7-Zip\7z.exe" --help) -join "`n"
+        $output | Should -Match '7-Zip 26.00'
+        $LASTEXITCODE | Should -be 0
+    }
+
+    It 'should have installed powershell core' {
+        $output = & pwsh --version
+        $LASTEXITCODE | Should -be 0
+        $output | Should -Match '^PowerShell 7\.6\.1*'
+    }
+
+    It 'should have installed git' {
+        $output = & git --version
+        $LASTEXITCODE | Should -be 0
+        $output | Should -Match '2.54.0'
+    }
+
+    It 'should have installed argo cli' {
+        $output = (& argocd version --client) -join "`n"
+        $LASTEXITCODE | Should -be 0
+        $output | Should -Match '3.4.2'
+    }
+
+    It 'has nuget cli installed' {
+        $output = & nuget help
+        $LASTEXITCODE | Should -be 0
+        $output | Select-Object -First 1 | Should -Match '7.6.0'
+    }
+
+    It 'has Microsoft Service Fabric runtime installed' {
+        (Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\Service Fabric' -Name FabricVersion).FabricVersion | Should -Match '10.1.2338'
+    }
+
+    It 'has Microsoft Service Fabric SDK installed' {
+        Test-Path 'C:\Program Files\Microsoft SDKs\Service Fabric' | Should -Be $true
+    }
+}