Normally, this package is installed automatically:
Manual download may be required if:
Once you have downloaded Microsoft.UI.Xaml.2.8.appxbundle (or the .appx file), there are three methods to install it. microsoft.ui.xaml.2.8 appx download
Microsoft.UI.Xaml.2.8 is architecture-specific. Downloading the wrong one will lead to installation failure. Normally, this package is installed automatically:
| Architecture | When to use | | --- | --- | | x86 | 32-bit Windows, or 32-bit apps on 64-bit Windows (rare for modern systems) | | x64 | Most modern PCs with 64-bit Windows | | ARM64 | Surface Pro X, Samsung Galaxy Book Go, or any Windows on ARM device | Manual download may be required if:
Additionally, you may see:
Recommendation: Download the .appxbundle version to cover all architectures unless you need to specifically target one.