Certainly it is possible. All you need is the media and a key.
I would not recommend a retro install to 7 either. Check the Support Lifecycle:
https://support.microsoft.com/en-us/...&wa=wsignin1.0
If you have privacy concerns with Windows 10, this may help:
Your Guide To Windows 10 Privacy Settings Although I think that many of the so called "issues" are really just the modern cloud computing phenomena being examined and the TOS for 10 being published. Most users give up far more data on their mobile every day. YMMV.
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