keypad

So I updated my windows from 7 to the 10 and now my keypad won't work I toggled through NF AND F9 disabling and enabling it how can I uninstall the update or get my keypad working again

I am going to university in September and I am looking for a good laptop. I was wondering if you guys had any recommendations. The study is International Financial Management and Control. I live in The Netherlands, I can ship from other countries. I'd like the laptop to have a keypad since it's...