Install Jupyter Notebook or Anaconda if it is not already installed
Open Terminal on macOS or Linux, or Command Prompt/PowerShell on Windows
Navigate to the folder where you want to work using the `cd` command
Run `jupyter notebook`
Wait for the browser window to open automatically
If the browser does not open, copy the local URL shown in the terminal and paste it into your browser
Select a notebook file or create a new notebook from the Jupyter dashboard