adding instructions to uninstall desktop

Author: usha-mandya

docker-for-mac/install.md

@@ -78,6 +78,15 @@ The Docker Desktop installation includes
 
 Congratulations! You are now successfully running Docker Desktop.
 
+## Uninstall Docker Desktop
+
+To unistall Docker Desktop from your Mac:
+
+1. From the Docker menu, select **Troubleshoot** and then select **Uninstall**.
+2. Click **Uninstall** to confirm your selection.
+
+> **Note:** Uninstalling Docker Desktop will destroy Docker containers and images local to the machine and remove the files generated by the application.
+
 ## Switch between Stable and Edge versions
 
 Docker Desktop allows you to switch between Stable and Edge releases. However, **you can only have one version of Docker Desktop installed at a time**. Switching between Stable and Edge versions can destabilize your development environment, particularly in cases where you switch from a newer (Edge) channel to an older (Stable) channel.

docker-for-windows/install.md

@@ -102,6 +102,16 @@ When initialization is complete, click the whale icon in the Notifications area
 
 Congratulations! You are successfully running Docker Desktop on Windows.
 
+## Uninstall Docker Desktop
+
+To uninstall Docker Desktop from your Windows machine:
+
+1. From the Windows **Start** menu, select **Settings** > **Apps** > **Apps & features**.
+2. Select **Docker Desktop** from the **Apps & features** list and then select **Uninstall**.
+3. Click **Uninstall** to confirm your selection.
+
+> **Note:** Uninstalling Docker Desktop will destroy Docker containers and images local to the machine and remove the files generated by the application.
+
 ## Where to go next
 
 * [Getting started](index.md) introduces Docker Desktop for Windows.