If you're unable to download the font from the Adobe website, there are alternative sources where you can find Minion Math font for free:
Minion Math Font Free Download: A Comprehensive Guide for Technical Document Creators
To install your new font, simply download the .TTF or .OTF file, double-click it, and hit "Install." It will then appear in the font dropdown menu of programs like Microsoft Word, Google Docs (via the Extensis Fonts add-on), or Canva.
Right-click the file and select "Install" (Windows) or double-click and hit "Install Font" (Mac).