Before you begin, make sure you have:
-An internet connection (internet service provider fees may apply).
-Sufficient data storage available on a computer, USB or external drive for the download.
-A blank USB or DVD (and DVD burner) with at least 4 GB of space if you want to create media.
-If you will be installing the operating system for the first time, you will need your Windows product key.
Download Windows 10 Home and Pro ISO's: Software Download
For Enterprise editions visit the Volume Licensing Service Center
For MSDN subscriptions visit the website: Subscriber Downloads
Download Windows 10 Enterprise 90-day evaluation: Windows Evaluations