Free Download of Microsoft Windows 10 Technical Preview

Follow these steps to download Technical Preview:

Sign up for the Windows Insider Program, if you haven't already.

Read the system requirements.

Click one of the Download links on this page to download a special file—it's called an ISO file—that you can use to install the preview.

When the download is complete, transfer the ISO file to installation media such as a USB flash drive or DVD.

Double-tap or double-click setup.exe from the installation media, and then follow the steps.