Unfortunately, the only legit Microsoft download, other than MSDN, that I know of won't accept OEM keys. You would have to resort to something like bit torrent. That has the risk of the ISO being modified in a bad way. The hash codes for the official Microsoft ISO's are available on MSDN. You just can't download the file without a valid subscription. If the hash code for the file you get from where ever matches what Microsoft says it should be, then your file is likely safe to use. The OEM embedded key is actually in the BIOS, not on the SSD.
http://www.eightforums.com/tutorials/27129-product-key-find-windows-8-a.html < I know you can't do this at the moment but I'll post it for info purposes anyway. If your laptop came with Windows 8.0, an 8.0 ISO should read and use the embedded key. You could do this though,
http://www.eightforums.com/installa...retail-windows-8-1-windows-8-product-key.html. Install 8.1 with the generic key, then use the script in the other link to get your BIOS key and activate with that. It will save you from doing the store update to 8.1. Assuming you can find a clean 8.1 ISO.
The only other wrinkle that can happen is if your installed version was the "single language" version of 8.0. If it is you need the single language ISO to be able to use the OEM key.
These are the regular ISO's as listed on MSDN
Windows 8 (multiple editions) (x64) - DVD (English)
File Name: en_windows_8_x64_dvd_915440.iso
Languages: English
SHA1: 1CE53AD5F60419CF04A715CF3233F247E48BEEC4
Windows 8.1 with Update (multiple editions) (x86) - DVD (English)
File Name: en_windows_8.1_with_update_x86_dvd_4065105.iso
Languages: English
SHA1: 54B8572556B316A6BECE54C5033564E3296F5951
The single language ISO's are not listed for me on MSDN so I don't know what their file names are?