To install this font follow the next advice: Before installing the Helvetica Neue LT Std 73 Bold Extended font in OS X, you must first completely close all applications. However, if you would like to use it for commercial purposes then you must have to buy it or contact the author for permissions. There is no need for any license, signup, or regurgitation to use this font for your personal use. Download more than 10,000 free fonts hassle free, desktop and mobile optimized, around for more than 20 years. Helvetica Neue LT Std 73 Bold Extended Font Free for Ma OS: Install Instructions. Helvetica Neue is a completely free font that you can use in your graphic designs. So it is used to emphasize needful contents. This font is used in ads, graphic design, logos, And this font is darker than Helvetica Neue condensed. #2 Using CSS directive, put the following line in add to your css file.(http | https) url(//db./c/b71c831cd232effde30ce1bec5e171d5?family=Helvetica+Neue) #3 Use font-face declaration Fonts. 7505 search results for helvetica+neue+bold+extended. Helvetica Neue condensed bold is a popular style of Helvetica Neue font family.