A new user wants to understand how to launch the Jupyter Notebook App on Windows and how to change its default startup folder to a specific location. Additionally, they want to know what common mistake to avoid when opening notebook documents and how to prevent it.
Navigate to the '3. Running the Jupyter Notebook' section. Locate and read the '3.1. Launching Jupyter Notebook App' sub-section, specifically '3.1.1. Change Jupyter Notebook startup folder (Windows)'. Identify the steps to launch the app on Windows and change the startup folder. Locate and read the '3.4. Executing a notebook' sub-section. Identify the warning regarding opening the same notebook document in multiple tabs and the advice on how to avoid this issue. Synthesize the information on launching, changing the startup folder, and avoiding the multiple-tab warning.
State the method to launch the Jupyter Notebook App on Windows (e.g., clicking the icon or typing 'jupyter notebook' in terminal). Describe the steps to change the Jupyter Notebook startup folder on Windows (copying launcher, changing Target field to full path). Identify the warning about opening the same notebook document on many tabs. Explain that edits on different tabs can overwrite each other. State the advice to open each notebook document in only one tab or close one of the tabs if accidentally opened twice.