The fonts can be opened and used in any software that can read standard fonts - even MS Word.
No special software is required , and a friendly little help file is included to get you started :
Opentype capable software : The alternates are accessible by turning on
"Stylistic Alternates" and "Ligatures" buttons on in Photoshop's Character panel,
or via any software with a glyphs panel, e.g. Adobe Illustrator, Photoshop CC, Inkscape.