To delete books from your account (permanent delete) - 1) Go to any Kindle Store page at Amazon. 2) Choose Manage My Kindle from the links at the top - right below the search bar. 3) Log-in to access that page. 4) On that page scroll down to a list of purchased books at the bottom. 5) Find the book you want and press the + icon next to it. A number of options show up including a delete button. 6) Press delete if you are sure you want to PERMANENTLY delete this book and NEVER read it again.
How to get Windows 10 now: how to download and install Windows 10 even if GWX.exe is missing