Windows 7 has hardly any ability to log PowerShell, whereas Windows 10s version of PowerShell has much more robust logging. You can update to PowerShell 5 on Windows 7 to add suspicious-script block-logging that is not in the Windows 7 version. This can help identify malicious scripts that are run by attackers and can be very effective in identifying malicious scripts and password grabbing. If you arent quite ready to roll out Windows 10 network-wide, all is not lost.”]
Source: https://www.csoonline.com/article/3343048/how-to-install-powershell-5-on-windows-7.html