There are four different execution policies in PowerShell
- Restricted – No scripts can be run.
- AllSigned – Only scripts signed by a trusted publisher can be run.
- RemoteSigned – Downloaded scripts must be signed by a trusted publisher.
- Unrestricted – All Windows PowerShell scripts can be run.
You can change the PowerShell execution policies with Set-ExecutionPolicy like
You can get the current policy in PowerShell