Applying a released version of the operator

README.md

@@ -10,20 +10,21 @@ sure the [prerequisites](#Prerequisites) are installed first.
 
 1. Install the operator
 
+  * Installing from source code:
+
    To install from source code, run the command:
 
    ```
    ko apply -f config/
    ```
 
-   To install from an existing image, change the value of `image` in
-   `config/operator.yaml` to one you've published or a nightly build,
-   e.g.
-   `gcr.io/knative-nightly/knative.dev/serving-operator/cmd/manager:latest`,
-   and then run:
+  * Installing a released version:
+
+   To install a released version of the operator go and download the latest `serving-operator.yaml` file from [here](https://github.com/knative/serving-operator/releases) and apply it (`kubectl apply -f serving-operator.yaml`), or directly run:
+
 
    ```
-   kubectl apply -f config/
+   kubectl apply -f https://github.com/knative/serving-operator/releases/download/v0.10.0/serving-operator.yaml
    ```
 
 2. Install the