docs(README): clarify plugin installation process

README.md

@@ -2,18 +2,30 @@
 
 VRTs - Visual Regression Tests is a plugin to test your website for unwanted visual changes. The plugin runs automatic daily tests for chosen pages and posts. The tool creates daily comparison screenshots and compares them with a reference snapshot. If there is a difference between the screenshots, you'll be automatically notified via email. Use three comparison mode to spot the differences easily.
 
-## Requirements
-- Node 16
+> [!IMPORTANT]
+> This repository is for **development purposes**. You need to run the build process for it to work. See the section [Development](#development) for further instructions. To use the plugin on your website, see the section [Installation](#installation).
+
+## Installation
+
+To install the plugin on your website, choose one of the following approaches:
+
+1. Install from your WordPress backend: **Plugins** -> **Add New Plugin** and search for "vrts".
+2. Download from the WordPress Plugin Directory: https://wordpress.org/plugins/visual-regression-tests/.
+3. Install via [composer](https://getcomposer.org/) with [wpackagist](https://wpackagist.org/): `wpackagist-plugin/visual-regression-tests`.
+
+### Requirements
 - PHP 7.4
 
 ## Development
 
-1. Clone the repository and place it in ``wp-content/plugins/`` folder.
-2. Make sure you have the correct [requirements](#Requirements)
-3. Run ``composer i`` to install composer dependency.
-4. Run ``npm i`` to install node dependency.
+1. Clone the repository to your ``wp-content/plugins/`` folder.
+3. Run ``composer install`` to install composer dependencies.
+4. Run ``npm install`` to install node dependencies.
 5. Run ``npm run build`` to build.
-6. Run ``npm run start`` for starting development.
+6. Run ``npm run start`` to start development.
+
+### Dev Requirements
+- Node 16
 
 ## License
 GPLv2