Solved - 'execution of scripts is disabled on this system' Powershell

Step :
• Open up a powershell command window
• Check out current restrictions by typing "Get-ExecutionPolicy"
• Enable powershell by typing " Restricted "

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PowerShell says “execution of scripts is disabled on this system.”

Windows Powershell – “Running scripts is disabled on this system”

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Using the Set-ExecutionPolicy Cmdlet