The search results bloomed like a shady garden. “Download NOW!” “Fast ISO!” “Windows 8.1 Pro Activated!” Most looked like they’d give his laptop digital herpes. But one link stood out, boring and official as a DMV waiting room:
Click the "Confirm" button, and the download will begin. You will get a single .iso file with a name like: Windows_8.1_English_x64.iso download windows 8.1 disc image iso file
: The download link is temporary and will expire after 24 hours. HP Support Community How to Use the ISO File The search results bloomed like a shady garden
To ensure your ISO wasn't corrupted during download, verify its SHA-1 checksum. You will get a single
“They said 8.1 was bad. They were wrong.”
The download link provided by Microsoft is usually valid for 24 hours. If the download is interrupted, you may need to generate a new link from the site. Verification and Installation Media