Hey u guys if you are thinking to upgrade your PC to Windows 10, then it is the worst idea.
Be happy with what you have Windows 7 or 8 whatever, because they are far better than Windows 10.
You were getting this upgrade of Windows 10 for free, then also not take this. It will show you the features that it is faster, smarter, better but it’s not. If you click on upgrade or install it by purchasing from market then it will take it’s time to install then after it slows your machine. The machine will give poor performance, as well as the softwares you have installed in your machine, it will not work properly in Windows 10, you will have to upgrade that softwares or install the higher version/suitable version to your new operating system.
Also there’s a security issue in this OS. So please do not upgrade to 10, Windows 8 is far better than that with an amazing Graphical User Interface. And if you had already installed, then you can restore your system to the date when your previous OS were there by going to "system restore" in Control Panel".