"We strongly advise against downloading Windows ISOs from third-party sources, including cloud storage links."
The download finished. He flashed the ISO to a battered USB drive. When the purple setup screen finally flickered to life on the Toughbook, the room felt warmer. No forced Microsoft Account logins, no aggressive "Let's finish setting up your device" prompts. Just a clean, desktop-blue horizon. windows 10 1909 iso google drive