PowerShell ISE (Integrated Scripting Environment): A graphical interface for writing, testing, and debugging PowerShell scripts. It's Windows-only and comes with Windows PowerShell.
PowerShell Core: The cross-platform version built on .NET Core, designed to run on Windows, Linux, and macOS.
Key differences:
Platform support: ISE is Windows-only; Core is cross-platform
Base framework: ISE uses .NET Framework; Core uses .NET Core
Performance: Core is generally faster and more lightweight
Module compatibility: Some Windows PowerShell modules aren't compatible with Core
Development: Core is actively developed; ISE development has stopped
Rewriting in plainer words…
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