Oh thanks.

Sorry for the late reply.

Nope, It went back to the Windows 8.1 because that key is already installed on the motherboard, can I still go back to windows 10? I also test my HDD again put it on a...

I tried reinstalling Windows by resetting it, I went to a computer service shop they tried to boot in another OS (Windows 7) the OS still detects it. They said my hard drive has a problem so I bought...

What do you mean third party security software? I only have Windows defender.

My laptop is like 1/2 year old. I haven't yet check the health of the hard drive. I'm just trying to reinstall windows 10 again because its so laggy like i cannot type or open anykind of applications...

So I just opened my laptop and its lagging so much i cannot type or open any files or application, i cannot open start and I also noticed that the microsoft edge icon is missing. So I tried to...