The Microsoft Press Windows PowerShell 2.0 Administrator's Pocket Consultant serves as a legacy guide for core commands and scripting techniques, with complementary resources including the Windows PowerShell 2.0 Language Specification and Best Practices. PowerShell 2.0 was deprecated in 2017 and is being removed from Windows 11 starting in August 2025, necessitating migration to PowerShell 5.1 or 7.x for security and compliance. For more details, visit Microsoft Support . PowerShell 2.0 removal from Windows - Microsoft Support