Try this
To configure the default IIS website to use port 8080
On the Windows desktop, click Start, click Administrative Tools, and then click Internet Information Services (IIS) Manager.
In Internet Information Services (IIS) Manager, in the Connections pane, expand the computer name, expand Sites, and then click Default Web Site.
In the Actions pane, under Edit Site, click Bindings.
In the Site Bindings dialog box, click the http entry, and then click Edit.
In the Edit Site Binding dialog box, in Port, type 8080, and then click OK.
In the Site Bindings dialog box, click Close.
In the Actions pane, under Manage Web Site, click Stop, and then click Start.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…