Upgrading to a news OS can be detrimental. Here's our how to guide to dual booting Windows by separating your hard drive into two distinct partitions.

Here’s how it works. Creating a dual-boot system will let you safely test Windows 10 Technical Preview using the full power of your PC's hardware alongside Windows 8.1.

Before you can install the Windows 10 Insider Preview build on your computer, you need to make sure you can boot from the drive with the installation files, such as a USB flash drive or DVD drive.