cagent update (#23585)

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## Description

Release update on cagent. 

## Related issues or tickets

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## Reviews

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

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Co-authored-by: Usha Mandya <47779042+usha-mandya@users.noreply.github.com>

Author: aevesdocker

content/manuals/ai/cagent/_index.md

@@ -37,22 +37,10 @@ they don't share knowledge.
 
 ## Get started with cagent
 
-1. Download the [latest release](https://github.com/docker/cagent/releases)
-   for your operating system.
+1. The easiest way to get cagent is to [install Docker Desktop version 4.49 or later](/manuals/desktop/release-notes.md) for your operating system.
 
    > [!NOTE]
-   > You might need to give the binary executable permissions.
-   > On macOS and Linux, run:
-
-     ```console
-     chmod +x /path/to/downloads/cagent-linux-<arm/amd>64
-     ```
-
-   > [!NOTE]
-   > You can also build cagent from the source. See the [repository](https://github.com/docker/cagent?tab=readme-ov-file#build-from-source).
-
-1. Optional: Rename the binary as needed and update your PATH to include
-   cagent's executable.
+   > You can also build cagent from the source. For more information, see the [cagent GitHub repository](https://github.com/docker/cagent?tab=readme-ov-file#build-from-source).
 
 1. Set the following environment variables: