Retract/Remove Solution - SharePoint 2010

1. Manually retract a solution, which is installed to a farm, using the SharePoint central administration interface?

2. Central Admin - System Settings - Manage Farm

Solutions, pick your wsp and hit Retract, then Remove once 

it's done.

3. Follow the steps for Powershell:

Go to All Programs => Microsoft SharePoint 2010 Products =>SharePoint 2010 Management Shell =>Run as administrator

Uninstall-SPSolution -identity "solutionName.wsp"

Remove-SPSolution -identity "solutionName.wsp"