Update README.md

Author: user0706

README.md

@@ -2,9 +2,37 @@
   <img height="100" src="https://github.com/user0706/PyRex/blob/master/icons/windowIcon.png?raw=true">
 </p>
 
-# About PyRex
-PyRex is a tool for testing python regular expression.
-<br>Workspace can be grouped into three areas: pattern, test string and match information area.
+[![made-with-python](https://img.shields.io/badge/Made%20with-Python-1f425f.svg)](https://www.python.org/) [![python-version](https://img.shields.io/badge/Python-3.6|3.7-<COLOR>.svg)](https://www.python.org/)  [![Qt](https://img.shields.io/badge/GUI%20by-Qt%20Designer-orange)](https://doc.qt.io/qt-5/qtdesigner-manual.html)  [![PyPI license](https://img.shields.io/pypi/l/ansicolortags.svg)](https://pypi.python.org/pypi/ansicolortags/) [![PyPI status](https://img.shields.io/pypi/status/ansicolortags.svg)](https://pypi.python.org/pypi/ansicolortags/)
+## Description
+PyRex is a tool for visual testing Python regular expression.
+<br>Based on the re python package, combined with the Qt user interface, it allows a visual display of the results of a regular expression pattern.
+
+:warning: **This is a beta version and probably contains some bugs. In that case, please [report the new issue](https://github.com/user0706/Mixer-v2/issues).**
+
+## Prerequisites
+After opening the downloaded repository in cmd *(Windows)*/terminal *(Linux/MacOS)*, to install the necessary packages for PyRex operation, enter the following command:
+```python
+pip install -r requirements.txt --no-index --find-links file:///tmp/packages
+```
+## How to run PyRex?
+Execute the following commands in cmd *(Windows)*/terminal *(Linux/MacOS)*:
+
+- Download repository
+```
+git clone https://github.com/user0706/PyRex.git
+```
+- Entry into the download repository
+```
+cd PyRex
+```
+- Start the program
+```
+python main.py
+(if not, try python3)
+```
+
+## What's new:
+- Test_string highlighting features
 
 ## Screenshots
 ![](https://github.com/user0706/PyRex/blob/feature/test-string-highlighting/Example.png?raw=true)