For , the correct media to use for Features on Demand (FOD) is actually the Windows 10, version 2004 Features on Demand ISO . This is because versions 2004, 20H2, 21H1, and 21H2 all share a common core operating system and identical system files. Official Download Locations
dism /online /add-capability /capabilityname:Rsat.ActiveDirectory.DS-LDS.Tools~~~~0.0.1.0 /source:"D:\sources\sxs" /limitaccess
The official way to download the ISO is through Microsoft's professional and enterprise-focused distribution channels. Because Windows 10 support for most editions ended on October 14, 2025, these older ISOs are typically reserved for organizations with existing subscriptions. Official Download Channels windows 10 21h2 features on demand iso download best
For Windows 10 21H2 specifically, this means:
# List all available capabilities (not yet installed) Get-WindowsCapability -Online | Where-Object $_.State -eq "NotPresent" For , the correct media to use for
The Best Methods to Download Windows 10 21H2 Features on Demand ISO
This report details the necessity, acquisition methods, and best practices for downloading and deploying the . Because Windows 10 support for most editions ended
The most authoritative source for the Windows 10 21H2 Features on Demand ISO is the .
Before installing a feature, you need to know its exact capability name. Use these PowerShell commands to discover available features:
Many older machines—particularly those manufactured before 2018—cannot officially run Windows 11 due to TPM 2.0 and processor requirements. For these devices, Windows 10 21H2 remains the last officially supported version (beyond 22H2 which also runs on similar hardware). A forum participant noted their Lenovo V110-15AST from 2018 could not handle Windows 10 22H2 at all, but 21H1 and 21H2 worked perfectly.
: Fully manage hard drives and partitions directly within the Settings app rather than a separate tool. Installation Tip