Key questions about OEM
Key questions about OEM
You're asking about using a Windows 8.1 ISO from Microsoft, downloaded from their site, to create a bootable USB drive without a physical CD. The idea is whether you can skip the CD key and activate it directly from the USB. That’s a common concern, but there are a few things to consider.
It should function without issues, but the OEM key is limited to a single hardware setup—typically not compatible with a different motherboard and will render it unusable.
You can also obtain Windows 10 at no cost for a short period. Cheaper licenses are available at the specified forum.
These keys seem questionable in terms of authenticity. I wouldn’t want them to stop working after six months. Regarding the ISO, you’ll likely be asked to input your CD key during download. Your PC might take a couple of weeks to finish the process. If you need faster access, consider creating a bootable drive now and loading Windows on it when you’re ready.
From r/softwareswap, retail keys typically work long-term. Still, I might receive an OEM key from a trusted vendor such as Newegg, which includes a Certificate of Authenticity you can display. Regarding your second point, Microsoft doesn’t have a dedicated page for ISO downloads. The ESD Media Creator supports 8.1, but these ISOs aren’t confirmed by reliable sources like MSDN. For Windows 7, Software Recovery is available, though it doesn’t accept OEM keys. It also encounters issues with MSDN ISOs, which are labeled as retail. I’m a trusted provider of ISO files, and theirs can’t be verified against the SHA1s listed on MSDN. Let me know if you need further details.