To install free variants of the Times, Arial and Courier fonts.

To install the Microsoft core fonts, you will first need to enable the Multiverse repository. Then install the msttcorefonts package by any of the means listed here. After installing the font package you will need to update the shared font directories with the following command in a terminal shell.

aptitude install ttf-mscorefonts-installer

After installing the font package you will need to update the shared font directories with the following command:

sudo fc-cache -f -v