Update README.md

Author: nickdu088

README.md

@@ -1,2 +1,70 @@
 # Ext4Explorer
-This is a ext4 file explorer
+
+Ext4Explorer is a Windows desktop application for exploring and managing Ext4 file systems.  
+It supports reading Ext4 partitions from physical disks or disk image files.
+
+---
+
+## Features
+
+- Browse Ext4 partitions on physical drives or disk images  
+- View partition details and properties  
+- Support for MBR and GPT partition tables  
+- Simple, user-friendly Windows Forms interface
+
+---
+
+## Screenshot
+
+![Ext4Explorer Screenshot](Screenshots/main.png)
+![Ext4Explorer Screenshot](Screenshots/file.png)
+---
+
+## Requirements
+
+- Windows 10 or later  
+- .NET 6.0 Runtime  
+- x86 platform (configured in project)
+
+---
+
+## Building from Source
+
+1. Clone the repository  
+2. Open the solution in Visual Studio 2022 or later  
+3. Restore NuGet packages  
+4. Build the solution targeting Release  
+5. The output will be in the `bin\Release` folder
+
+---
+
+## Usage
+
+- Run the executable  
+- Choose to load partitions from a disk image file or a physical disk  
+- Select a partition to explore
+
+---
+
+## Dependencies
+
+- [SharpExt4](https://github.com/nickdu088/SharpExt4) (included as DLLs)  
+- System.Management (Windows-only)
+
+---
+
+## Contributing
+
+Feel free to submit issues or pull requests.  
+Please follow standard coding conventions and document your changes.
+
+---
+
+## License
+
+[MIT License](LICENSE)
+
+---
+
+## Contact
+Project Link: https://github.com/nickdu088/Ext4Explorer