Then it will ask you for product key, pick 'I don't have one' (your Win7 keys wont' work here.
this is for Win10 keys, don't worry, once WIn10 is installed, you can insert your WIn7 key through the Activation panel). Then pick the RIGHT edition of Windows 10 that you should get. If you have Windows 7 Home Premium, pick Windows 10 Home (or Windows 10, I forgot how it showed), if you have Windows 7 Professional, pick Windows 10 Pro. This is important, if it is the wrong edition, it won't activate after, and a clean install needs to be redone. Then pick your partition of Windows 7 > delete, pick your partition of Windows 7 recovery > delete, pick the now the free large partition > Next. Which will tell you it wants to create a recovery partition, pick Yes, it will be your Win10 partition, and then it will do its thing, reboot, and then it will finish the install by detecting your hardware and installing drivers. Windows 10 making sure your ready to install install# Then you'll get the Out of teh Box Experience to setup your account and stuff, and then it will build your account, and then you are in. Windows 10 making sure your ready to install drivers#.
Windows 10 making sure your ready to install install#.Windows 10 making sure your ready to install how to#.