Final answer:
To download a shared deck, identify the platform, use the provided link or code to import it into the appropriate software, and ensure the source is trustworthy.
Step-by-step explanation:
To download a shared deck, you need to first clarify what platform or software the shared deck is on. For instance, if it's on a flashcard app like Anki, usually there will be a public link or code provided by the deck creator. For Anki, you would open the software, go to File > Import, and then paste the code or link. If you're downloading from a website, there should be a direct download button or link, which upon clicking, will prompt you to choose a location on your computer to save the file. Always make sure you trust the source of the shared deck to avoid downloading malicious content.