Check the box with option Run as Administrator and click radio button with option Standalone loading mode. Click the Next button. Choose the MacType default font smoothing profile labeled in Background: I recently ran into a situation where I was trying to verify that my CSS @font-family tags were working correctly. I opened Font Book to verify that I did NOT have the font already installed, then proceeded to open my HTML file in Chrome. Everything looked great! But it turned out that I DID have the font installed via Adobe Fonts pCPw.

how to install fonts on mac