Update README.md

Author: EdwardLab

README.md

@@ -1,2 +1,21 @@
-# binpython
+# BINPython
 Lightweight and small portable Python, build with pyinstaller
+# Build
+1. Clone this project
+```bash
+git clone https://github.com/xingyujie/binpython
+cd binpython
+```
+2. Install Python, pip and the pyinstaller environment
+```bash
+pip install pyinstaller
+```
+3. Compile with basic pyinstaller, e.g.
+```bash
+pyinstaller -F binpython.py
+```
+(You can also use more compilation parameters, see pyinstaller documentation for details)
+
+4. Switch to the dist directory and find the compiled executable file, such as exe or bin file 
+# Use
+Under most Unix-like systems, run "./binpython" to run, double-click to run under Windows