Restore (Deploy .wsp) customizations (SharePoint Server 2010)

Restore customizations (SharePoint Server 2010): "Restore a solution package by using Central Administration
You can restore a solution package by using the SharePoint Central Administration Web site. You can restore a single solution package to multiple site collections and servers.
Restore a solution package by using Central Administration
Verify that the user account that is performing this procedure is a member of the Farm Administrators SharePoint group.
In Central Administration, in the Quick Launch, click System Settings.
On the System Settings page, under Farm Management, click Manage farm solutions.
On the Solution Management page, click the solution that you want to restore.
On the Solution Properties page, click Deploy Solution.
On the Deploy Solution page, in the Deploy When section, select one of the following options:
Now


At a specified time. If you select this option, specify a time by using the date and time boxes. We recommend that you select a time when the load on the destination servers is low.


In the Deploy To section, in the A specific Web application list, click either All Web applications or select a specific Web application.
Click OK."