If you're getting the error App Installer failed to install package dependencies. Ask the developer for package when installing the MSIX build of Affinity V2 on Windows, you will need to download and install the Microsoft.VCLibs.x64.14.00.Desktop.appx package from Microsoft here.
Once installed you will be able to install Affinity V2 without any issues.
If you’re using Affinity by Canva, please refer to the corresponding help article: Fix MSIX installation problems with Affinity for Windows