microsoft--promptflow/scripts/installer/windows/install_from_msi.md

Install prompt flow MSI installer on Windows

Prompt flow is a suite of development tools designed to streamline the end-to-end development cycle of LLM-based AI applications, that can be installed locally on Windows computers.

For Windows, the prompt flow is installed via an MSI, which gives you access to the CLI through the Windows Command Prompt (CMD) or PowerShell.

Install or update

The MSI distributable is used for installing or updating the prompt flow on Windows. You don't need to uninstall current versions before using the MSI installer because the MSI updates any existing version.

::::{tab-set} :::{tab-item} Microsoft Installer (MSI) :sync: Microsoft Installer (MSI)

Latest version

Download and install the latest release of the prompt flow. When the installer asks if it can make changes to your computer, select the "Yes" box.

Latest release of the promptflow (64-bit) )

Specific version

If you prefer, you can download a specific version of the promptflow by using a URL. To download the MSI installer for a specific version, change the version segment in URL https://promptflowartifact.blob.core.windows.net/msi-installer/promptflow-.msi :::

:::{tab-item} Microsoft Installer (MSI) with PowerShell :sync: Microsoft Installer (MSI) with PowerShell

PowerShell

To install the prompt flow using PowerShell, start PowerShell and run the following command:

$ProgressPreference = 'SilentlyContinue'; Invoke-WebRequest -Uri https://aka.ms/installpromptflowwindowsx64 -OutFile .\promptflow.msi; Start-Process msiexec.exe -Wait -ArgumentList '/I promptflow.msi /quiet'; Remove-Item .\promptflow.msi

This will download and install the latest 64-bit installer of the prompt flow for Windows.

To install a specific version, replace the -Uri argument with the URL like below. Here is an example of using the 64-bit installer of the promptflow version 1.0.0 in PowerShell:

$ProgressPreference = 'SilentlyContinue'; Invoke-WebRequest -Uri https://promptflowartifact.blob.core.windows.net/msi-installer/promptflow-1.0.0.msi -OutFile .\promptflow.msi; Start-Process msiexec.exe -Wait -ArgumentList '/I promptflow.msi /quiet'; Remove-Item .\promptflow.msi

:::

::::

Run the prompt flow

You can now run the prompt flow with the pf or pfazure command from either Windows Command Prompt or PowerShell.

Upgrade the prompt flow

Beginning with version 1.4.0, the prompt flow provides an in-tool command to upgrade to the latest version.

pf upgrade

For prompt flow versions prior to 1.4.0, upgrade by reinstalling as described in Install the prompt flow.

Uninstall

You uninstall the prompt flow from the Windows "Apps and Features" list. To uninstall:

Platform	Instructions
Windows 11	Start > Settings > Apps > Installed apps
Windows 10	Start > Settings > System > Apps & Features
Windows 8 and Windows 7	Start > Control Panel > Programs > Uninstall a program

Once on this screen type _promptflow into the program search bar. The program to uninstall is listed as promptflow (64-bit). Select this application, then select the Uninstall button.

FAQ

Where is the prompt flow installed?

In Windows, the 64-bit prompt flow installs in C:\Users\**\AppData\Local\Apps\promptflow by default.

What version of the prompt flow is installed?

Type pf --version in a terminal window to know what version of the prompt flow is installed. Your output looks like this:

promptflow                       x.x.x

Executable '***\python.exe'
Python (Windows) 3.*.* | packaged by conda-forge | *