Update README.md

README.md

@@ -2,7 +2,10 @@
 license: apache-2.0
 ---
 
-Install Zyphra's fork of mamba-ssm: https://github.com/Zyphra/mamba
+Install Zyphra's fork of mamba-ssm (https://github.com/Zyphra/mamba)
+1. `git clone https://github.com/Zyphra/mamba.git`
+2. `cd mamba`
+3. You need to install from source: `pip install .` or `pip install -e .` for editable mode (if you want to make changes to mamba code).
 
 Then one should be able to load any iteration using the following snippet (say iteration 10,000):
 ```