Helix Sans-serif font

1. Download and unzip the font files
2. Double-click the font file (.otf, .ttf, or .ttc) to open it in Font Book
3. Click the "Install Font" button in the preview window
4. The font will be installed and available in all your applications

Tip: You can also drag font files directly into Font Book or copy them to ~/Library/Fonts/

1. Download and extract the font files
2. Right-click on the font file (.otf or .ttf) and select "Install" or "Install for all users"
3. Alternatively, open Settings → Personalization → Fonts and drag the font files into the window
4. Restart any open applications to see the newly installed fonts

Tip: For older Windows versions, copy font files to C:\Windows\Fonts

To use this font on your website, you'll need a web font license. Follow these steps:

1. Purchase a web font license from Typenotion
2. Upload the web font files (.woff, .woff2) to your server
3. Add the @font-face declaration to your CSS:

   @font-face {
     font-family: 'Helix';
     src: url('/fonts/helix-sans-serif-font.woff2') format('woff2'),
          url('/fonts/helix-sans-serif-font.woff') format('woff');
     font-weight: normal;
     font-style: normal;
   }

4. Use the font in your CSS:

   body {
     font-family: 'Helix', sans-serif;
   }

Note: Web font licenses have specific usage terms. Check your license for pageview limits and allowed domains.