A new user wants to install Livebook and understand its basic setup. Please describe the two main ways to run Livebook (local vs. cloud), identify the recommended installation method for local use, and list at least three key topics covered in the 'Learn' section mentioned in the documentation, providing a brief description of each.
Navigate to 'https://livebook.dev/'. Identify the two main ways to run Livebook (local vs. cloud) from the homepage. Click on the 'Install Livebook Locally or on the cloud' link (ID 63). On the installation page, identify the recommended method for running Livebook locally. Navigate to the 'Docs' page (ID 15 from livebook.dev, or directly to hexdocs.pm/livebook). From the main documentation page, locate and click on the 'Welcome to Livebook' guide (ID 55). Identify and list at least three distinct topics or sub-sections from the 'Welcome to Livebook' guide, providing a brief description of what each covers. Synthesize the information about installation methods and the 'Learn' section topics into a concise answer.
State the two main ways to run Livebook are 'on your machine' (locally) and 'in the cloud'. Identify that the recommended local installation method is via 'mix install'. List at least three distinct topics from the 'Welcome to Livebook' guide (e.g., Getting started, Installation, Security considerations, Environment variables, Development, Platinum sponsors, Sponsors, License). Provide a brief, accurate description for each of the three identified topics from the 'Welcome to Livebook' guide.