According to the Apple Font License Agreement, these fonts are meant for creating mockups and designing apps for Apple platforms, not for general distribution or non-Apple projects [1].

To download the (San Francisco), you will need to access it through the official Apple developer portal, as it is a proprietary font designed for Apple platforms.

Click the "Download" button to download the font suite (usually a .dmg file, which contains the .ttf or .otf files).

Navigate directly to the Apple Developer Fonts page [1].

Open the downloaded file, locate the "SF Pro" or "SF Compact" folder, and install the Regular font variant on your system [1].

Choose SF Pro or SF Compact depending on your needs.