Go to: How to Apply STPS templates in Sharepoint to sites

From: http://hi.baidu.com/rebeccage/blog/item/0c8587a95ce32fbbca130c49.html

2. Download the file by clickingDownloadButton (above) and saving the file to your server

4. Pull the template file,<Template_name>. STP, From the extracted distribution for the Application Template you wish to install.
6. Log into your SharePoint site as the site administrator.
8. FromSite actionsDrop-down menu in the top right, selectSite settings.
10. UnderGalleriesSection, selectSite templates.
12. Select Upload to load an Application Template into this SharePoint site.
14. Browse to<Template_name>. STPFile from the distribution and selectOpen. If you have several application templates to load into your site, you can useUpload multiple files...Option to load them all at once.
16. ClickOKTo complete the upload of the application template to your SharePoint site.

Instructions for use:

1. log into your SharePoint site as the site administrator.
2. from the site actions drop-down menu in the top right, select site Settings .
3. under the site administration section, select sites and workspaces .
4. select Create to create a new site using a site template.
5. complete the new SharePoint site information. in the Template Selection section, select the Custom tab. any application templates that have been uploaded will be listed here.
6. select the template to use for this site and click Create .
7. A site has now been created using the application template.