How to install Gemini AI?

Hello there, I'm interested in learning how to install Gemini AI. Could you please guide me through the process step-by-step? Are there any prerequisites that I need to take care of before proceeding with the installation? Additionally, could you clarify if Gemini AI is compatible with my current operating system and device? Lastly, could you suggest any additional tools or software that might be useful in enhancing the functionality of Gemini AI once it's installed? Thank you in advance for your assistance.