updates to getting started tutorial (#2801)

docs/getting_started.md

@@ -1,7 +1,7 @@
 # Getting Started
 
 !!! tip
-    This guide assumes you have a grounding in the tools that Argo CD is based on. Please read the [understanding the basics](understand_the_basics.md).
+    This guide assumes you have a grounding in the tools that Argo CD is based on. Please read [understanding the basics](understand_the_basics.md) to learn about these tools.
 
 ## Requirements
 
@@ -62,14 +62,14 @@ The API server can then be accessed using the localhost:8080
 
 ## 4. Login Using The CLI
 
-Login as the `admin` user. The initial password is autogenerated to be the pod name of the
+The initial password is autogenerated to be the pod name of the
 Argo CD API server. This can be retrieved with the command:
 
 ```bash
 kubectl get pods -n argocd -l app.kubernetes.io/name=argocd-server -o name | cut -d'/' -f 2
 ```
 
-Using the above password, login to Argo CD's IP or hostname:
+Using the username `admin` and the password from above, login to Argo CD's IP or hostname:
 
 ```bash
 argocd login <ARGOCD_SERVER>
@@ -124,15 +124,27 @@ argocd app create guestbook \
 
 ### Creating Apps Via UI
 
-Open a browser to the Argo CD external UI, and login using the credentials, IP/hostname set in step 4.
-Connect the [https://github.com/argoproj/argocd-example-apps.git](https://github.com/argoproj/argocd-example-apps.git) repo to Argo CD:
+Open a browser to the Argo CD external UI, and login by visiting the IP/hostname in a browser and use the credentials set in step 4.
 
-![connect repo](assets/connect_repo.png)
+After logging in, click the **+ New App** button as shown below:
 
-After connecting a repository, select the guestbook application for creation:
+![+ new app button](assets/new-app.png)
 
-![select app](assets/select_app.png)
-![create app](assets/create_app.png)
+Give your app the name `guestbook`, use the project `default`, and leave the sync policy as `Manual`:
+
+![app information](assets/app-ui-information.png)
+
+Connect the [https://github.com/argoproj/argocd-example-apps.git](https://github.com/argoproj/argocd-example-apps.git) repo to Argo CD by setting repository url to the github repo url, leave revision as `HEAD`, and set the path to `guestbook`:
+
+![connect repo](assets/connect-repo.png)
+
+For **Destination**, set cluster to `in-cluster` and namespace to `default`:
+
+![destination](assets/destination.png)
+
+After filling out the information above, click **Create** at the top of the UI to create the `guestbook` application:
+
+![destination](assets/create-app.png)
 
 
 ## 7. Sync (Deploy) The Application
@@ -157,7 +169,7 @@ apps   Deployment  default    guestbook-ui  OutOfSync  Missing
        Service     default    guestbook-ui  OutOfSync  Missing
 ```
 
-The application status is initially `OutOfSync` state, since the application has yet to be
+The application status is initially in `OutOfSync` state since the application has yet to be
 deployed, and no Kubernetes resources have been created. To sync (deploy) the application, run:
 
 ```bash