Once you’ve saved your site as a template, a solution file (.wsp) is created and stored in the Solution Gallery for the site collection. From here, you can download or activate the solution.
To activate your site template, perform the following steps:
1. Browse to the top level site of your site collection in SharePoint.
2. Click Site Actions and choose Site Settings.
3. Under Galleries, click Solutions.
4. To activate your solution, click the pull-down menu beside your solution, and choose Activate
5. On the activate solution confirmation screen, click Activate.
Your solution now has an activated status in the Solution Gallery.
6. To download the solution, just click its name in the Solution Gallery.
7. In the File Download dialog box, click Save, and browse to the location where you want to save the solution.