Distributing Windows Desktop Apps Through Customer Intune Tenants — A Software Vendor Playbook for Win32, MSIX, Code Signing, and Updates

If your customers use Microsoft Intune, almost every path to their Windows desktops in 2026 leads to the Win32 app format. LOB has narrow scope, Store for Business is gone, and MSIX only fits if your app is container-friendly. The vendor's job is to hand IT a signed MSI, an `.intunewin`, detection rules, ADMX templates, and silent install commands. This post lays out the software vendor playbook, including the geographic limits on Azure Artifact Signing (formerly Trusted Signing) that bite vendors based outside the US/EU.