Windows 10

2 queries here:
1. I have upgraded to win 10 pro from win 7 ultimate and activated the windows. can I create recovery disk for a fresh install. because the system is running slow comparing to earlier win 7 ultimate?

2. My laptop has intel celeron cpu N2920 1.86 Ghz dual core processor clubbed with 2 GB RAM. As the system is running slow, what should be the optimum amount of Additional RAM I add to this computer for best performance?
 
1. Once upgraded, you can do a clean install using the same media. The activation will happen automatically.

2. Add another 2GB RAM and install the 64 bit version.
 
I downloaded the ISO on my phone. Gonna go home and install it now.

If I upgrade using the ISO I won't lose my product key, right? And is upgrading using the ISO same as the official update or are there any pros or cons?
 
ISO is same as official update.
Mount it and run Setup from inside Windows.
Your current hardware would get activated with the Windows 10 copy.
You change hardware, you would need to get a new copy (after 12 month period).
You should still be able to use your W8 license after that if your W10 copy is no longer functional. Not sure how Microsoft would keep track of that.
 
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Microsoft is seriously desperate.
 
1. Once upgraded, you can do a clean install using the same media. The activation will happen automatically.

2. Add another 2GB RAM and install the 64 bit version.

I upgraded online, no media was created, now the need is to create a media, but dont know how to do it?
i am also thinking of 2 GB additional, however version is already 64 bit.
 
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