reactivation

Yesterday i changed my entire system (CPU+MOBO+RAM). Now my windows is not activating . I thought this process should have been done automatically via internet .How to reactivate windows 10 after a hardware change specially motherboard since the key is embedded to the old motherboard. I'm...

I bought a pc yesterday and it worked like a charm,but windows 10 was installed on it and all my programs are windows 7 compatible,so i tried to access bios as the earlier owner of this desktop told me by prrssing F12 but nothing happens so i tried to enter recovery then the pc restarted and the...

I am going to buy and external SSD and I was wondering what else I will need minus the SSD itself and if I use it externally will the performance be any different than if I used it internally?