Para adicionar as fontes TTF do Windows no Linux Mint, basta executar os seguintes comandos no Terminal (Menu Principal / Acessórios / Terminal):

sudo apt-get update
sudo apt-get install ttf-mscorefonts-installer

Com isso serão instaladas as fontes:

  • Andale mono
  • Arial black
  • Arial (bold, italic, bold italic)
  • Comic Sans MS (bold)
  • Courier New (bold, italic, bold italic)
  • Georgia (bold, italic, bold italic)
  • Impact
  • Times New Roman (bold, italic, bold italic)
  • Trebuchet (bold, italic, bold italic)
  • Verdana (bold, italic, bold italic)
  • Webdings

Fonte: http://community.linuxmint.com/software/view/ttf-mscorefonts-installer