diff --git a/Developer's-Guide.md b/Developer's-Guide.md
index a1fa059..03abfec 100644
--- a/Developer's-Guide.md
+++ b/Developer's-Guide.md
@@ -59,6 +59,22 @@ If you're using PyCharm, you can configure the project to use your virtualenv in
 
 ## Running from sources
 
+## Windows terminal (using git-bash)
+
+Set up your virtual env (described above), activate your env, then:
+
+PYTHONPATH=. python qt_ui/main.py
+
+### OS X terminal
+
+Set up your virtual env (described above), activate your env, then:
+
+```
+PYTHONPATH=. LOCALAPPDATA=. python qt_ui/main.py
+```
+
+### Running from PyCharm
+
 You can run DCS Liberation from source with this configuration: (Adapt it to your env)
 
 ![](https://imgur.com/oXRAZpz.png)