To understand why you can't simply "download" this font, we first have to understand what the name actually means.
CID stands for . It is a font format developed by Adobe specifically for handling large character sets, primarily for East Asian languages (Japanese, Chinese, Korean) where the number of characters runs into the thousands. Unlike standard Western fonts (like TrueType or OpenType) which are organized by a standard numbering system (glyph 65 is 'A', etc.), CID fonts are organized by "Registry," "Ordering," and "Supplement." Cidfont-f3 Download
Avoid any website that asks you to "disable your antivirus" before downloading. Legitimate font files end in .ttf , .otf , .cid , or .pfb – never .exe or .scr . To understand why you can't simply "download" this