Update README.md with pip

Author: Tymewalk

README.md

@@ -5,9 +5,15 @@ Slither is a Python module that uses PyGame to bring Scratch-like features to Py
 [Scratch](scratch.mit.edu) is a programming language developed by MIT that uses block-based scripts to introduce kids to programming.
 
 ## How do I run Slither?
-To install, run `python setup.py bdist_wheel`, and then run `pip install path`, where path is the final path of the .whl file (which should be in dist/). If this fails, install wheel with `pip install wheel` then retry.<br />
+### Through `pip`
+Run `pip install slither`.
+
+### Manually
+Run `python setup.py build` and then `python setup.py install`.<br />
+If that doesn't work, run `python setup.py bdist_wheel`, and then run `pip install path`, where path is the final path of the .whl file (which should be in dist/). If this fails, install wheel with `pip install wheel` then retry.<br />
 If it still fails, make sure you have `setuptools` fully updated and properly installed.<br />
 Remember to add `import slither` in your script.<br />
+
 Note that you must have PyGame installed in order to use Slither.
 
 ## Why use Slither?