However, is not a standard product name. Those are likely internal font names embedded inside a PDF or generated by software (e.g., Adobe Acrobat, Ghostscript). Here’s a practical guide to understanding and obtaining the actual free CID fonts you need.
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After researching and verifying the authenticity of the fonts, we are pleased to provide a download link for the F1, F2, F3, F4, F5, F6, and F7 CID fonts. You can download these fonts for free from the following link: However, is not a standard product name
Here is the critical truth: They are placeholders . Downloading a file named F1.otf from a random website is dangerous because: cid font f1 f2 f3 f4 f5 f6 f7 fonts free verified download