Install SharePoint solution using PowerShell or STSADM commands

First make sure to log in to SharePoint server (Application server is preferred) with Farm admin account and run PowerShell or command line as administrator

• Install Solution Using PowerShell

> Add-SPSolution <solution file name>
> Install-SPSolution -Identity <solution name> -WebApplication <virtual server url> -GACDeployment

• Install Solution Using STSADM

> stsadm -o addsolution -filename <solution file name>
> stsadm -o deploysolution -name <solution name> -url <virtual server url>

• Uninstall Solution Using PowerShell

> Uninstall-SPSolution -Identity <solution name> -AllWebApplications
> Remove-SPSolution -Identity <solution name>

• Uninstall Solution Using STSADM

> stsadm -o retractsolution -name <solution name> -url <virtual server url> -immediate
> stsadm -o deletesolution -name <solution name>