python.exe c:\Python27\PyInstaller-2.1\pyinstaller.py --noconsole --onefile c:\Python27\PyInstaller-2.1\ReverseShell.py

[+] Generate the .spec file.
[+] Windows: (You want a single EXE file with your data in it, hence --onefile).

python pyinstaller.py --onefile your_main_file.py

[+] Rebuild your package.

python pyinstaller.py your_main_file.spec

[+]Look for your .exe or your .app bundle in the dist directory.