Add wget command for the RDI Helm chart

Author: stoyanr

content/integrate/redis-data-integration/installation/install-k8s.md

@@ -47,12 +47,20 @@ or from your own [private image registry](#using-a-private-image-registry).
 Complete the following steps before installing the RDI Helm chart:
 
 -   [Create the RDI database](#create-the-rdi-database) on your Redis Enterprise cluster.
+
 -   Create a [user]({{< relref "/operate/rs/security/access-control/create-users" >}})
     for the RDI database if you prefer not to use the default password (see
     [Access control]({{< relref "/operate/rs/security/access-control" >}}) for
     more information).
+
 -   Download the RDI Helm chart tar file from the
     [Redis download center](https://redis.io/downloads/) (in the *Modules, Tools & Integration* category) .
+
+    ```bash
+    export RDI_VERSION=<version>
+    wget https://redis-enterprise-software-downloads.s3.amazonaws.com/redis-di/rdi-$RDI_VERSION.tgz
+    ```
+
 -   If you want to use a private image registry,
     [prepare it with the RDI images](#using-a-private-image-registry).
 

content/integrate/redis-data-integration/installation/upgrade.md

@@ -95,6 +95,11 @@ installation of RDI:
 1.  Download the RDI Helm chart tar file from the [Redis download center](https://redis.io/downloads/)
     (in the *Modules, Tools & Integration* category).
 
+    ```bash
+    export RDI_VERSION=<version>
+    wget https://redis-enterprise-software-downloads.s3.amazonaws.com/redis-di/rdi-$RDI_VERSION.tgz
+    ```
+
 1.  Adapt your `rdi-values.yaml` file to any changes in the new RDI version if needed.
     See also [Upgrading to RDI 1.8.0 or later from an earlier version](#upgrading-to-rdi-180-or-later-from-an-earlier-version). 
     Before making any changes, save your existing `rdi-values.yaml` if you need to revert