# Using LINE Bot Designer
We recommend using the Flex Message Simulator to create a Flex Message prototype. For more information, see the news from January 18, 2022, Development of the LINE Bot Designer has been terminated.
LINE Bot Designer is a tool that allows you to create prototypes of LINE Bot, enabling you to design your own chatbots easily and quickly, even without programming knowledge.
# Download LINE Bot Designer
LINE Bot Designer can be downloaded free of charge by anyone. You will need to log in with your LINE account when launching it.
For more information on using LINE Bot Designer, see Manual (PDF).
# Operating environment
These are the recommended environments for LINE Bot Designer.
- Windows 10
- macOS (Sierra or later)