Reinstallation process of Windows Xp with key generated from Belarc's System Management Softwere

I have Lenovo notebook with preinstalled legal Windows XP home edition. Now it is Auto updated upto Windows XP home edition SP3. I have Lost its Licence Key and Got it by running Belarc's System Management softwere as I have learnt to find Key from this support site yesterday. I want to know-

1. Is this Key of Windows XP home edition as was installed with this notebook /or of Auto updated version of Windows XP home Edition SP3/or for the both?

2- I want to reinstall Windows XP Home Edition in my notebook but my onekey recovery is not working and have not CD of this Windows version. Can I get it from online by Microsoft site? Which version of Windows should I instal first (Windows XP home edition or Windows XP home edition SP3)to use this softwere generated key as I have told before? I want to know address of site from where I download online? 

3-Is this key is authentic?

 

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Last updated December 22, 2017 Views 34 Applies to: