... it offers you a link that you use to download and install the ADK kit from Microsoft. Use default settings. Next you start the product and create a bootable DVD or Flash Drive. Next you test this media. This is a two step process thanks to the Microsoft licensing. No neophyte should ever think about skipping it.
Next you start the OS Migration Wizard and migrate your OS to another HDD. If that is done wrong, which is hard but possible for a true neophyte with bad luck to achieve, you boot your media and run the OS boot repair wizard.
The required level of expertise is low. If you are willing to read the help file, it is very low. This means that nearly everybody can help you if you are stuck, provided you did not run the data elimination wizard intended for those who donate used HDDs...
Keep Up with TechRepublic