How to Install Odoo with source code (DEV edition)

i. Download Odoo Source Code

Open the command prompt.
Go to the directory where you want to take a clone of Odoo’s source code.
Take a clone using the command (HTTPS).

git clone https://github.com/odoo/odoo.git

Download the Python installer www.python.org/downloads/ and install it. (in 2024 for Odoo 17, I recommend Python 3.10.5 version)

Download Postgresql from https://www.postgresql.org/download/ and install it.

Install Postgresql

Please select all the fields where we need pgAdmin4 later to access the database.

For easiness username and password I set "odoo".

And set the privileges of the user.

In the command prompt, go to the recently cloned Odoo repo where the requirements.txt file is located and run the commands:

note: I would like to recommend making a virtual environment.

#creating virtual env
python -m venv .venv
#activating virtual env
.\.venv\Scripts\activate

Your virtual environment is active. Now, open your terminal and copy and paste the below commands.

pip install setuptools wheel

pip install -r requirements.txt

Open the command prompt, visit the Odoo directory, and locate the Odoo-bin file.
Run the command:

python odoo-bin -r db_user -w db_password --addons-path=addons -d demo_db

How to run odoo with postgresql

Now go to the browser and type localhost:8069

In the login screen, enter your email (admin) and password (admin) and Hit “Login”.

Now, You're Good to Go------>