Windows 10 is set to be released on July 29th and it'll get delivered to existing Windows 7 and Windows 8.1 users as a free upgrade. If you're planning to do a clean install or don't have a legit copy of Windows 7/8.1, you'll be glad to know that Windows 10 USB Sticks are now available on Amazon for pre-order - making it easier to install Windows 10.

As reported, the Windows 10 Home USB Stick is available for $119.99 while the Pro edition is available for $199.99.

Despite the fact that Windows 10 is releasing later this month, Amazon will be shipping the USB Sticks next month – 16th August, to be exact. You can pre-order them from the below links,
◾Pre-order the Windows 10 Home USB Stick
◾Pre-order the Windows 10 Pro USB Stick

Source: http://microsoft-news.com/windows-10-usb-sticks-now-available-for-pre-order-on-amazon/