Methods for backing up Factory SLP Activation if the COA Product Key is not readable are not supported here but can be found on the web. For unbootable Windows, you can read the installed Product Key and any Office key you don't have backed up using ProduKey - Recover lost product ...
I have maybe made 2 post about this but I cannot find a solution. I do not have a 2nd storage drive and when I tried reinstalling Windows it will stop half way through and say it failed. I don't know what should I do either get a new storage drive or wha