Fixed: This App Package Is Not Supported for Installation

Resolve the "This application package does not support installation" error: Windows Application Installation Guide

When trying to download an application from third-party software other than the Microsoft Store, you may receive this error message: "This application package does not support installation." This article will guide you through this problem and successfully install the application.

While the Microsoft Store provides a large amount of software, it does not cover all software. Therefore, you may need to use AppxPackage, Msixbundle, or other software to get application packages that are not found in the Microsoft Store. However, you may encounter a situation where the package cannot be used and an error message: "This application package does not support installation".

This error message is usually caused by incorrect package version, unsupported installer, insufficient installation permissions, etc.

The following methods can help you solve this problem:

Method 1: Enable developer mode

To enhance the security of Windows systems, the system usually prohibits users from downloading applications from unknown or third-party software. If you are sure that the source and package are safe and reliable, you can enable developer mode to allow sideload installations.

Step 1: Press Win I to open Windows settings.

Step 2: If you are a Windows 10 user, select Update and Security and switch to the For Developers tab. For Windows 11 users, you can select Privacy and Security in the left pane of the Settings window.

Step 3: Find the Developer Mode section and switch to ON to enable Developer Mode.

Step 4: Click Yes to confirm the selection.

Method 2: Trust the installation certificate

If you sign a package with a certificate that your computer does not trust, you may receive a message that "This application package does not support installation." In this case, you need to import the security certificate for this package into the trusted list of your computer before the package can be run properly.

For specific steps to import a certificate, please refer to the relevant documentation (a link or more detailed description should be provided here).

Method 3: Use PowerShell to install the software package

If you cannot install the application using third-party software, try this method. You can run Windows PowerShell to find the correct path to the application package and install it successfully.

Step 1: Right-click the Windows icon and select Windows PowerShell from the context menu.

Step 2: Type the following command line and press Enter .

Add-AppxPackage -Path 文件路径

Step 3: Wait for the process to end to complete the application installation.

Method 4: Use App Installer to install the MSIX software package

App Installer is an official application for installing packages in MSIX or APPX format. You can easily get the required packages through this installer without receiving a failure message. Please follow the steps below.

Step 1: Open the Microsoft Store to download and install App Installer.

Step 2: Once the installation is complete, you can find the package you need and click the Install button.

Step 3: This process may take several minutes to download the corresponding dependencies. Once completed, the newly installed application will start automatically.

Important tips:

Be careful when downloading and installing files or packages from third-party software or websites. If the downloaded file contains viruses or is incompatible with your computer settings, it may cause errors in the computer, files are lost, and even crashes in the computer.

If the files are lost after running the downloaded files, recover them as soon as possible. Typically, lost files are not sent to the Recycle Bin; therefore, you need to seek help from professional data recovery software such as MiniTool Power Data Recovery.

Summarize:

When installing an application sideloading, an error "This application package does not support installation" may occur from time to time. Hopefully you can successfully resolve this issue using one of the above methods.

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