Update README.md

Author: immankumarsync

README.md

@@ -1,2 +1,42 @@
-# how-to-identify-and-highlight-spell-errors-using-flutter-pdf-viewer
+# How to identify and highlight spell errors using Flutter PDF Viewer?
+
 This repository contains an example that demonstrates how to identify and highlight spell errors in PDF files using Flutter PDF viewer
+
+## System requirements
+
+https://help.syncfusion.com/flutter/system-requirements
+
+## Clone the repository
+
+* To clone the sample repository locally, open the command prompt in the desired location and execute the following command.
+
+```sh
+
+git clone https://github.com/SyncfusionExamples/how-to-identify-and-highlight-spell-errors-using-flutter-pdf-viewer.git
+
+```
+
+* Navigate to the project directory:
+
+```sh
+cd how-to-identify-and-highlight-spell-errors-using-flutter-pdf-viewer
+```
+
+## Installing Packages
+
+Install the required packages by running the following command:
+
+```sh
+flutter pub get
+```
+
+## Run the application
+
+To run the application, use the following command:
+
+```sh
+flutter run
+```
+
+## Blog reference
+[Identify and Highlight Spelling Errors in PDFs Using Flutter PDF Viewer](https://www.syncfusion.com/blogs/post/handle-error-with-flutter-pdf-viewer)