Once you download free fonts for Windows, it is easy to install them. In Windows XP, open Appearance and Themes in the Control Panel. Click Fonts under See Also in the task pane. Go to the File menu and select Install New Font. Choose the drive where your fonts are located and the folder containing the fonts. Hold down the Ctrl key, click on the fonts you want to add and click OK.
In Windows Vista, click the Start button and type fonts into the search box. Click on Fonts in the results list. If you don't see the toolbar, click the Alt key. Go to the File menu and choose Install New Font. Choose the drive where your fonts are located and the folder containing the fonts. Hold down the Ctrl key, click on the fonts you want to add and click OK.
In Windows 7, simply right-click the font you want to install and select Install.
When the fonts are installed on your computer, they are instantly available in Microsoft Office programs such as Word and Publisher as well as many other programs. For some applications, such as Inkscape, you will need to import fonts into the program in order to begin using them.