Use Rufus or Ventoy to write the ISO to USB.
This means the image contains within one ISO or ESD file. Typically, these include: Windows 10 X64 21H2 Pro 3in1 OEM ESD MULTi-7 MA...
Microsoft does not release “3in1 OEM ESD MULTi‑7” ISOs to the public. This is a custom‑modified image created by a third party (often from warez / scene groups). Use Rufus or Ventoy to write the ISO to USB
Pre-installing Windows 10 Pro on new PCs. A 3-in-1 OEM ESD image allows a single USB stick to deploy different Pro editions. This is a custom‑modified image created by a
Third-party MULTi-7 ESDs may contain:
The "MULTi-7" in the name indicates that this version supports seven languages: English, German, French, Spanish, Italian, Portuguese, and Dutch.
The release, often compiled by custom ISO creators like "Gen2," provides a pre-configured version of the Windows 10 "November 2021 Update" (version 21H2). This specific "3in1" package typically includes three installation choices: a standard unactivated version, a version with a built-in activation script, and an OEM-branded version. Key features of this version include: Core OS & Performance