By default, PowerShell can only be used interactively from the console. This is part of the default security. To be able to actually run scripts, you must set the execution policy. The easiest way to set this policy is to use the
Set-ExecutionPolicy cmdlet, as follows:
Basically, when you use the value
RemoteSigned, PowerShell is set to be able to run scripts that have been created locally, but if a script is downloaded from the Internet, for example, it must be signed.
The details of the different execution policy settings available or the advantages and disadvantages of different possibilities are not covered in this chapter. Using
RemoteSigned is one of ...