Update PowerShell to Latest Version Supported by OS and Validate Removal of PowerShell 5.1.

Hello @Lavanya Chintam Reddy,

Refer to - Migrating from Windows PowerShell 5.1 to PowerShell 7

It is important to note that PowerShell 5.1 cannot be uninstalled or removed from Windows 10/11 or Server operating systems. PowerShell 5.1 is an integral part of the Windows operating system and is installed by default.

Verify Installed Versions: $PSVersionTable

Install PowerShell 7 via Winget or MSI as a side-by-side installation. Do not remove Windows PowerShell 5.1 because it is an integral part of the Windows OS structure, and its removal will likely lead to system instability and script failures. Use PowerShell 7 for modern, cross-platform tasks while keeping PowerShell 5.1 for OS compatibility.

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Hello Lavanya Chintam Reddy

Windows does use some components of PowerShell internally, particularly the Windows Management Framework (WMF). Completely removing older versions of PowerShell may affect some system functionality. PowerShell 5.1 is a built-in component of Windows 10 and 11. Completely removing it may cause some unexpected problems.

If your program does not rely on a specific PowerShell configuration, the impact will be relatively minor. PowerShell 7 is installed as a standalone application and does not directly replace the built-in PowerShell 5.1.

The recommended approach is to install PowerShell 7 as the default shell,but leave the built-in PowerShell 5.1 in place to minimize potential problems.If you insist on removing the old version of PowerShell completely, it is recommended that you make a backup of your system or set up a restore point in case something goes wrong.

For Migrating from Windows PowerShell 5.1 to PowerShell 7 - https://learn.microsoft.com/en-us/powershell/scripting/whats-new/migrating-from-windows-powershell-51-to-powershell-7?view=powershell-7.5