Why do you want to install it? Isn't sound card working?
If your machine has internet access then execute this
su -
yum -y install alsa-driver

Install Yum Extender. Its GUI of yum. package manager of Fedora. Your machine must have access to internet access.
Execute this
yum -y install yumex
Look for Yum Extender in Menu and install/upgrade package through Yum Extender only.