How does the WIN8 system install REALTK sound card driver?

How does the WIN8 system install REALTK sound card driver? the specific methods are as follows:

1, open Baidu Search download Realtek sound card driver;

2, decompression, find the Rtlupd.exe file, choose to run as the administrator mode identity;

3, then according to the prompts to install;

4, but do not be happy too early oh, at this time still no sound, need some settings; Open Control Panel, select hardware and sound options;

5, you will find at the bottom of the hardware and sound interface more than a Realtek high-definition audio manager option, click Open;

6, click the lower right corner of the setting options;

7, select Ac97 Front panel, then we can insert headphones to listen to music.