Developer-setup.md

@@ -2,7 +2,7 @@
 
 Before starting, install the following tools:
 
-- Python 3.8 or later
+- Python 3.12 or later
 - Pip package manager
 
 For more information on these tools, see the public documentation on
@@ -28,18 +28,10 @@ python3 -m venv .env
 . ./.env/bin/activate
 ```
 
-(Optional) If you want to be able to make changes to the osdu-sdk that is used for communication with the OSDU API's then this should also be installed in developer mode. If you omit this step then you will use the published version of the sdk referenced in setup.py
-
-```bash
-pip install -e ..\osdu-sdk-python
-pip install -r requirements-dev.txt
-```
-
 Next install the main cli package in developer mode along with any necessary development packages.
 
 ```bash
-pip install -e .
-pip install -r requirements-dev.txt
+pip install -e ".[dev]"
 ```
 
 You should now be able to run the command line.