It is STRONGLY recommended to create Windows media rather than install from a Windows disk.
Creating your own media means you will be reinstalling the most recent version of Windows, which greatly decreases
the chance of running into issues
Unless you've recently created your own media, select this option. You'll need a 4GB flashdrive and a windows system with internet access. (Creating your own media is strongly preferred to using a Windows disk)
This guide will show you how to install Windows. If you haven't already click the guide to the left to create fresh media to install with to avoid the chance of running into issues during the install
This guide shows you how to reset windows. This method is NOT recommended as many issues you run into will retain through a reset but not a reinstall.