Windows Upgrader

Description

An application designed to upgrade Windows systems to the latest version. It can be used to:

The application supports multiple source types including HTTP/HTTPS URLs, local files, and network shares (UNC paths).

Default execution (Upgrades to Windows 11 24H2 using the internal repository)

./windows-upgrader.exe

Install a specific version from the internal repository (Options: 24H2, 25H2)

./windows-upgrader.exe --version 25H2

Download and install Windows 11 from a specified multipart URL, ignoring compatibility

./windows-upgrader.exe --uri "https://my.site/win11/Windows11.zip" --multipart --ignorecompat

Install from a local ISO file

./windows-upgrader.exe --uri "C:\Downloads\Win11_24H2_English_x64.iso"

Install from a UNC network path

./windows-upgrader.exe --uri "\\server\share\windows11\Win11.iso"

Install from Azure Blob Storage URL with query parameters

./windows-upgrader.exe --uri "https://storage.blob.core.windows.net/isos/Win11_24H2.iso?sv=2025-07-05&sp=r&sig="

Install without rebooting after completion

./windows-upgrader.exe --uri "C:\ISOs\Windows11.iso" --noreboot

Usage	Description
`--version <VER>`	Installs a specific version from the internal repository. Options: `24H2` or `25H2`. If neither version nor URI is provided, defaults to `24H2`. Mutually exclusive with `--uri`.
`--uri <URI>`	The URI to download/access the Windows 11 payload from. Supports HTTP/HTTPS URLs, local file paths, and UNC network paths. Accepts both `.zip` and `.iso` formats. Mutually exclusive with `--version`.
`--multipart`	Use this switch if the URI points to a multipart archive. i.e.: `Windows11.zip` → `Windows11.zip.001`, `Windows11.zip.002`, ... (Automatically enabled when using `--version`).
`--noreboot`	Do not reboot if upgrade is successful.
`--ignorecompat`	Ignore Windows 11 compatibility requirements.
`--debug`	Enable debug logging.

HTTP/HTTPS URLs: Direct download from web servers (with or without query parameters)
Local File Paths: Files stored on local drives (e.g., C:\path\to\file.iso)
UNC Network Paths: Files on network shares (e.g., \\server\share\file.iso)
File Formats: Both .zip and .iso formats are supported

The application automatically detects the file format (.zip or .iso) from the URI
Multipart files are automatically combined during processing
Log files are created in the system temp directory for troubleshooting
The application validates the Windows version and checks if the system is already running the latest build before proceeding