update README.md required python version

README.md

@@ -4,6 +4,6 @@
 `cd` into the downloaded `MiniOS-master` directory, and run the main.py file using the `python3 main.py` bash command.
 ## Requirements
 ### Python 3
-This program requires Python 3.6 or later to run. To download python, visit https://www.python.org/downloads/.
+This program requires Python 3.7 or later to run. To download python, visit https://www.python.org/downloads/.
 ### Dependencies
 This program uses the [_PyQt6_](https://pypi.org/project/PyQt6/) GUI library for graphics, and the [_PyQt6-WebEngine_](https://pypi.org/project/PyQt6-WebEngine/) library to access and render websites.