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The above line allows all scripts to run but it alters the settings for the entire machine. If you want to specify You can specify how far the policy is implemented.
Set-ExecutionPolicy -ExecutionPolicy Bypass -Scope CurrentUser will allow scripts to run for the user.
Set-ExecutionPolicy -ExecutionPolicy Bypass -Scope CurrentUserProcess will allow scripts to run for the current Powershell session and will not affect current policy settings.