Update README.md

Author: bruce-atkinson

README.md

@@ -6,7 +6,13 @@ This is the PayGate PayWeb3 plugin for Magento 2. Please feel free to contact th
 ## Installation
 [![How To Setup PayGate PayWeb for Magento 2](https://appinlet.com/wp-content/uploads/2021/01/How-To-Setup-PayGate-PayWeb-for-Magento-2.jpg)](https://www.youtube.com/watch?v=JtDTm49cWmU "How To Setup PayGate PayWeb for Magento 2")
 
-Please navigate to the [releases page](https://github.com/PayGate/PayWeb_Magento_2/releases), download the latest release (v2.4.9) and unzip. You will then be able to follow the integration guide PDF which is included in the zip.
+You can install this module using composer:
+
+```console
+composer require paygate/paygate-payweb-gateway
+```
+
+Alternatively, please navigate to the [releases page](https://github.com/PayGate/PayWeb_Magento_2/releases), download the latest release (v2.4.9) and unzip. You will then be able to follow the integration guide PDF which is included in the zip.
 
 ## Collaboration