Set-AuthenticodeSignature -FilePath .\App-Management.ps1 -TimestampServer http://timestamp.digicert.com -Certificate (Get-ChildItem cert:\CurrentUser\my -CodeSigningCert)Note: codesign cert needs to exist under the user’s personal store. TimestampServer is recommended as the script signing would still be honored even the cert that used for signing expires in the future, timestamp server from DigiCert is used as an example, any popular public timestamp server will do.