Microsoft SharePoint 2010 provides a set of Power Shell cmdlets to manage packages. To load the cmdlets open Power Shell command line window and change directory to:
C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\CONFIG\POWERSHELL\Registration
Then run:
SharePoint.ps1
Installation process consists of three main steps:
Adding new package.
Deploying the package.
Activating features.
Run Add-SPSolution to add the package.
Run Install-SPSolution -GACDeployment
To verify installation:
Open central administration portal -> system settings -> manage farm solutions..
To activate a feature:
Open SharePoint portal.
Open Site Settings->Manage Site Features and activate it.
To uninstall - first deactivate the features.
Then, Run Uninstall-SPSolution
Run Remove-SPSolution
Another way to uninstall is through the central administration portal -> system settings -> manage farm solutions.
Select the solution, click restart and the remove.