That's almost the exact copy and paste as I received on 20/08/2015. I've put my message and their response below, and you can see it's just a general reply as they're answering points I've not even asked about.
I've responded again to highlight how disappointed I am at their lack of support. I appreciate this a budget device and that they probably don't make much from these however their response is inappropriate as there's no mention anyway on their website that they don't support Windows 10. That this installed via Windows Update means it's totally legitimate and I firmly believe they have working drivers available (for the new models), they just need to release them. I've also informed them that I won't be buying another Linx device off the back of this which is a shame as I planned to upgrade to a 10" after Christmas when my existing Office personal license expires
Edit: That isn't meant to be negative about the device itself (which I like) or this forum - just reading the questions and answers has proven a huge help! You guys are doing a great job running the place.
Subject: Rotate on Windows 10 (Linx 7)
I have a Linx 7 (fantastic device!) and I've upgraded to Windows 10. Since upgrading the tablet no longer automatically rotates.
Do you guys have a fix for this? I know this isn't just me as there are quite a few reports of this on the internet.
Look forward to hearing back from you, "
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As we ship these with Windows 8.1 with Bing OEM software, we can only technically advise you on this software.
If you have upgraded to Windows 10 which caused this consequential issue, the best people to liaise with would be Microsoft as the support we can provide would be irrelevant currently as it is not for software we have supplied.
We wouldn’t be able to re-issue a licence key as these are all pre-loaded per device.
Apologies we have been unable to assist further on this occasion, as the manufacturer we specifically advise against doing the upgrade to Windows 10 on these devices.