Download Makeappx.exe: Portable

C:\Program Files (x86)\Windows Kits\10\bin\ \ \makeappx.exe

Under the tab, check Universal Windows Platform development or .NET Desktop Development .

Ensure that or Windows SDK for UWP Managed Apps is checked. Complete the installation. Method 2: Install Visual Studio download makeappx.exe

Once installed, the file is usually tucked away in one of these directories:

Validate your AppxManifest.xml against the official XML schema definition (XSD). Pay close attention to the <Identity> element, ensuring the Name , Version , and Publisher attributes are correctly formatted. C:\Program Files (x86)\Windows Kits\10\bin\ \ \makeappx

To sign your package, use a command similar to:

Choose your installation path (default is highly recommended). ensuring the Name

is a command-line tool used to create and extract app packages (.appx and .msix) for Windows.