Running PowerShell as different user

If you want to launch PowerShell as a different user other than administrator, you won’t find a Run As menu to enter other credentials. After a bit of searching, I found that the following code works best in launching a new PowerShell windows as a different user.

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# Define domain username and password
$username = 'domain\user'
$password = 'kvnbZJSSJAUTBFB5'
 
# Convert to a single set of credentials
$securePassword = ConvertTo-SecureString $password -AsPlainText -Force
$credential = New-Object System.Management.Automation.PSCredential $username, $securePassword
 
# Launch PowerShell (runas) as another user
Start-Process powershell.exe -Credential $credential -WindowStyle Maximized

The window that opens, however, looks like a command prompt windows (white text on black background) instead of like a PowerShell window (white text on a blue background).