Sometimes the PDF renames the font internally to F1+ABCDEF. Your generic "F1" won't match.
In modern document exchange, CID fonts are usually embedded inside PDF files. You typically do not need to "download" a CID font to read a PDF; the PDF contains the necessary subset of the font.
To understand the "high quality" aspect of CID fonts, one must understand the components that comprise them: cid font f1 f2 f3 free download high quality
Wazu.jp hosts links to free CJK fonts, including several CID-keyed fonts from academic and open-source projects. Look for:
Download: http://www.wazu.jp (under Japanese/Chinese sections) Sometimes the PDF renames the font internally to F1+ABCDEF
Adobe once distributed CID-keyed fonts as part of Adobe Reader installer packages (e.g., AcrobatReader_*_CJK.exe). These include high-quality F1/F2/F3 equivalents:
Where to find: Look for "Adobe Reader CJK Font Pack" on Adobe’s FTP archives or via the Wayback Machine. Use only if you own a legitimate Adobe license. Download: http://www
If you need the exact legacy .cid or .pfb (Printer Font Binary) files, search GitHub for "CIDFont resources."