"I need to install your software on twenty workstations immediately," Marcus said. "But there’s a catch. These machines are air-gapped. No internet. No external connections. Zero."
The installation process can be performed interactively or silently, depending on your needs.
If your enterprise application requires a strict, unchanging browser engine version, developers can opt for the Fixed Version package. This package is extracted directly into the application folder rather than installed system-wide. Troubleshooting Common Offline Installation Issues
A tiny executable file (around 2 MB). It acts as a downloader that fetches the latest correct architecture build from Microsoft servers at the time of execution. Requires internet access . microsoft edge webview2 runtime offline installer full
: When downloading from the official Microsoft page, ensure you select the Standalone Installer option, not the Bootstrapper . The bootstrapper is typically only 1–2 MB in size and requires an internet connection to complete installation. The offline installer is substantially larger (approximately 130 MB) because it contains all necessary installation files.
A successful installation returns a version number (e.g., 120.0.2210.91 )
In the Evergreen distribution mode, the WebView2 Runtime is not packaged with your application. Instead, it is installed onto client machines using either an online bootstrapper or an . Once installed, the runtime automatically updates on client machines without requiring additional effort from the developer or application user. "I need to install your software on twenty
"%ProgramFiles%\Microsoft\EdgeWebView\Application\w.x.y.z\Installer\setup.exe" --uninstall --msedgewebview --system-level --force-uninstall
| Error Code | Meaning | Likely Cause(s) | Recommended Fix | | :--- | :--- | :--- | :--- | | | File Not Found | WebView2 Runtime is missing or the application's path to it is incorrect. | Download and run the full Standalone Installer. Ensure the installer file isn't corrupted. | | 0x80004005 | Unspecified Error | Often related to permission issues, corrupted system components, or a problematic existing installation. | Run the installer as an administrator. Uninstall any existing version first. Check the %TEMP% directory for the installation log. | | 0x80070057 | Invalid Parameter | Typically indicates a version mismatch or a problem with the installation command-line arguments. | Double-check your silent install command for extra spaces or incorrect syntax. Ensure the runtime version is compatible with your app. | | 0x80040C01 / Phantom Install | Installer reports "already installed" | The registry has leftover entries indicating WebView2 is present when the actual files are missing or corrupted. | This is a stubborn issue. You must manually delete any leftover WebView2 registry entries and folders. Then, install a Fixed Version runtime to bypass the phantom detection. |
Navigate to the official . Scroll down to the Evergreen Standalone Installer section. Select your target architecture: x64: For 64-bit Windows operating systems. x86: For 32-bit Windows operating systems. ARM64: For Windows devices running on ARM processors. No internet
Get-WmiObject -Query "SELECT * FROM Win32_Product WHERE Name LIKE '%WebView2%'"
对于绝大多数普通用户和企业 IT 环境而言， 是首选。它既满足了离线部署的需求，又确保了未来的安全更新。
: If your software operates in a strictly air-gapped environment with no routine maintenance windows, bundle the Fixed Version directly inside your application folder to guarantee availability.