diff --git a/src/pages/docs/deprecations/index.md b/src/pages/docs/deprecations/index.md
index ca5710cb74..e25fa6a450 100644
--- a/src/pages/docs/deprecations/index.md
+++ b/src/pages/docs/deprecations/index.md
@@ -1,7 +1,7 @@
 ---
 layout: src/layouts/Default.astro
 pubDate: 2023-01-01
-modDate: 2026-08-10
+modDate: 2026-09-21
 title: Deprecations
 description: Upcoming and past deprecations by version for Octopus Server
 navOrder: 300
@@ -29,6 +29,10 @@ If you have questions or need help assessing the impact of a deprecation on your
 
 ## Planned Deprecations
 
+## Windows Tentacle Docker container {#windows-tentacle-docker-deprecation}
+
+Support for the Windows Tentacle Docker container is discontinued. The last version to support it is `12.1.4445`. A Linux Tentacle Docker container remains available.
+
 ## VHD Deployments {#vhd-deprecation}
 
 The Deploy a VHD step allows for deployment of VHD/VHDX files to Hyper-V. This step has extremely low usage and will be disabled by default in `2026.4` and removed in `2027.1`.
diff --git a/src/pages/docs/infrastructure/deployment-targets/tentacle/octopus-tentacle-container.md b/src/pages/docs/infrastructure/deployment-targets/tentacle/octopus-tentacle-container.md
index 8ae9ae9ebe..501874cccf 100644
--- a/src/pages/docs/infrastructure/deployment-targets/tentacle/octopus-tentacle-container.md
+++ b/src/pages/docs/infrastructure/deployment-targets/tentacle/octopus-tentacle-container.md
@@ -1,7 +1,7 @@
 ---
 layout: src/layouts/Default.astro
 pubDate: 2023-01-01
-modDate: 2024-06-27
+modDate: 2026-09-21
 title: Octopus Tentacle in a Container
 description: An Octopus Tentacle instance can be run directly from within a container.
 navOrder: 40
@@ -9,7 +9,11 @@ navOrder: 40
 
 Running an Octopus Tentacle inside a container may be preferable in some environments where installing one directly on the host is not an option.
 
-Octopus publishes both `windows/amd64` and `linux/amd64` Docker images for Tentacle and they are available on [DockerHub](https://hub.docker.com/r/octopusdeploy/tentacle).
+Octopus publishes a `linux/amd64` Docker image for Tentacle, available on [DockerHub](https://hub.docker.com/r/octopusdeploy/tentacle).
+
+:::div{.warning}
+Support for the Windows Tentacle Docker container has been discontinued. The last version to support it is `12.1.4445`.
+:::
 
 The Octopus Tentacle Docker image can be run in either [polling](/docs/infrastructure/deployment-targets/tentacle/tentacle-communication/#polling-tentacles) or [listening](/docs/infrastructure/deployment-targets/tentacle/tentacle-communication/#listening-tentacles-recommend) mode.
 
@@ -23,16 +27,16 @@ When an Octopus Tentacle container starts up, it will attempt to invoke the [`re
 <details data-group="deployment-targets-tentacle-container">
 <summary>Deployment Target</summary>
 
-```powershell
-docker run --interactive --detach `
- --name OctopusTentacle `
- --publish 10933:10933 `
- --env ACCEPT_EULA="Y" `
- --env ListeningPort="10933" `
- --env ServerApiKey="API-XXXXXXXX" `
- --env TargetEnvironment="Development" `
- --env TargetRole="container-server" `
- --env ServerUrl="http://10.0.0.1:8080" `
+```bash
+docker run --interactive --detach \
+ --name OctopusTentacle \
+ --publish 10933:10933 \
+ --env ACCEPT_EULA="Y" \
+ --env ListeningPort="10933" \
+ --env ServerApiKey="API-XXXXXXXX" \
+ --env TargetEnvironment="Development" \
+ --env TargetRole="container-server" \
+ --env ServerUrl="http://10.0.0.1:8080" \
  octopusdeploy/tentacle
 ```
 
@@ -40,15 +44,15 @@ docker run --interactive --detach `
 <details data-group="deployment-targets-tentacle-container">
 <summary>Worker</summary>
 
-```powershell
-docker run --interactive --detach `
- --name OctopusWorker `
- --publish 10933:10933 `
- --env ACCEPT_EULA="Y" `
- --env ListeningPort="10933" `
- --env ServerApiKey="API-XXXXXXXX" `
- --env TargetWorkerPool="LinuxWorkers" `
- --env ServerUrl="http://10.0.0.1:8080" `
+```bash
+docker run --interactive --detach \
+ --name OctopusWorker \
+ --publish 10933:10933 \
+ --env ACCEPT_EULA="Y" \
+ --env ListeningPort="10933" \
+ --env ServerApiKey="API-XXXXXXXX" \
+ --env TargetWorkerPool="LinuxWorkers" \
+ --env ServerUrl="http://10.0.0.1:8080" \
  octopusdeploy/tentacle
 ```
 
@@ -101,9 +105,9 @@ On Linux containers, prior to version `6.1.1271` the internal listening port was
 
 Read the Docker [docs](https://docs.docker.com/engine/reference/commandline/run/#mount-volume--v---read-only) about mounting volume.
 
-| Name                |                                             |
-| ------------------- | ------------------------------------------- |
-| **C:\Applications** | Default directory to deploy applications to |
+| Name                           |                                             |
+| ------------------------------ | ------------------------------------------- |
+| **/home/Octopus/Applications** | Default directory to deploy applications to |
 
 ### Using execution containers for Workers {#using-execution-containers-dind}