- Step1: Download and install GPT Desktop for your OS from the official release page.
- Step2: Launch the application and go to Settings.
- Step3: Enter your OpenAI API key to authenticate.
- Step4: Start a new chat session using the + button.
- Step5: Type prompts in the input box and press Enter to send.
- Step6: Save custom prompts as templates for reuse.
- Step7: Switch between sessions via the sidebar or open multiple windows.
- Step8: Export chat history to JSON or text via the Export option.
- Step9: Adjust themes, fonts, and shortcuts in the Settings menu.