How to add a new font to Windows. You should be logged on to Windows with a user account that is a computer administrator. To install fonts, you must have them on a floppy disk, CD, or your hard disk. To install a font, follow these steps: Click Start, and then click Run. Type the following command, and then click OK: %windir%\fonts On the File menu, click Install New Font. In the Drives box, click the drive that contains the font that you want to add. Note The floppy disk drive is typically drive A or drive B. The CD drive is typically drive D. In the Folders box, click the folder that contains the font that you want to add, and then click OK. In the List of fonts box, click the font that you want to add. To select more than one font at a time, press and hold the CTRL key while you select each font. Click to select the Copy Fonts To Fonts Folder check box. The new font is saved in the Windows\Fonts folder. Click OK.