The safest and most reliable way to get a clean Windows 11 installation with Office 2021 is to create your own "pre-loaded" installer using official Microsoft tools. Recommended: Create Your Own Custom ISO
It is often free if you are upgrading from a genuine version of Windows 10. Windows 11 With Office 2021 Pre Activated Iso Download
This is what pirates are trying to emulate. Legitimately, only businesses can buy this. For consumers, you buy (One-time purchase, ~$149.99). Windows 11 with Office 2021 Pre-Activated ISO Download:
Before attempting an install, the hardware must meet strict criteria: you buy (One-time purchase