Searching for "standard ct extra bold font free download portable" yields results from dubious font aggregation sites (e.g., fontsgeek, fontsup, free-fonts-download). Here is the truth about those files:

Standard CT is based on the same roots as Akzidenz-Grotesk. Free options include Libre Franklin Public Sans Helvetica-Style: offer excellent readability and heavy weights. Modern Grotesque:

: A variable font with a weight axis ranging up to "Black," providing significant flexibility for paper layouts. Google Fonts Preparing a Proper Paper

: A high-quality neo-grotesque that offers many weights.

: Part of a comprehensive 38-style family including four widths (normal, condensed, semi-extended, extended). : Individual styles like Standard CT 800 ExtraBold typically retail for approximately Official Purchase Links

You can find the legitimate license for Standard CT Extra Bold on platforms like MyFonts or Fontspring .