msi config option (#24502)

<!--Delete sections as needed -->

## Description

<!-- Tell us what you did and why -->

## Related issues or tickets

<!-- Related issues, pull requests, or Jira tickets -->

## Reviews

<!-- Notes for reviewers here -->
<!-- List applicable reviews (optionally @tag reviewers) -->

- [ ] Technical review
- [ ] Editorial review
- [ ] Product review

Author: aevesdocker

content/manuals/enterprise/enterprise-deployment/msi-install-and-configure.md

@@ -220,6 +220,7 @@ In addition to the following custom properties, the Docker Desktop MSI installer
 | `WINDOWSCONTAINERSDEFAULTDATAROOT` | Specifies the default location for Windows containers.                                                                                                                                                                                                                                        | None                    |
 | `WSLDEFAULTDATAROOT`               | Specifies the default location for the WSL distribution disk.                                                                                                                                                                                                                                 | None                    |
 | `DISABLEANALYTICS`                 | When set to 1, analytics collection will be disabled for the MSI. For more information, see [Analytics](#analytics).                                                                                                                                                                          | 0                       |
+| `REMOVEEXISTINGINSTALL`            | When set to 1, any existing EXE installations are removed. Existing settings and content are preserved.      | 1 |
 
 Additionally, you can also use `/norestart` or `/forcerestart` to control reboot behaviour.