describing how to get a version

docs/docs/dev_docs/getting_started/cli.md

@@ -24,18 +24,26 @@ Or if you use yarn:
 yarn global add @aztec/cli
 ```
 
-If you have specified a SANDBOX_VERSION environmental variable when installing the Sandbox, you will need to specify the same version when installing the CLI. For example:
+If you have specified a SANDBOX_VERSION environmental variable when installing the Sandbox, you will need to specify the same version when installing the CLI.
+To get the version of the Sandbox you have installed start the Sandbox and look for the version in the logs.
+Alternatively, if you already have a version of aztec-cli installed, you can run:
+
+#include_code node-info yarn-project/end-to-end/src/cli_docs_sandbox.test.ts bash
+
+To install a specific version of the CLI, run:
 
 ```bash
-npm install -g @aztec/cli@0.7.0
+npm install -g @aztec/cli@YOUR_VERSION
 ```
 
 or if you use yarn:
 
 ```bash
-yarn global add @aztec/cli@0.7.0
+yarn global add @aztec/cli@YOUR_VERSION
 ```
 
+If your version was not found look at the list of available versions on [npmjs.com](https://www.npmjs.com/package/@aztec/cli?activeTab=versions).
+
 Verify that the correct version is installed:
 
 ```bash

docs/docs/dev_docs/getting_started/sandbox.md

@@ -387,6 +387,11 @@ Versions of `sandbox` and `aztec-cli` must match.
 If `aztec-cli --version` does not return the same version as `SANDBOX_VERSION` then you need to install the correct version of `aztec-cli`.
 See [this section](./cli.md#requirements) for how to accomplish that.
 
+To get the version of the Sandbox you have installed start the Sandbox and look for the version in the logs.
+Alternatively you can use `aztec-cli`:
+
+#include_code node-info yarn-project/end-to-end/src/cli_docs_sandbox.test.ts bash
+
 :::
 
 ## Next Steps