If you are looking for a method to “test and try” the Windows 10 Technical Preview and you do not have a test PC available; I found detailed instructions, from two very reputable sources, for two common install options. Even though these options are commonly used, it always the general-rule-of-thumb to have backups of your personal files and your hard drive readily available in the event trouble arises.
OPTION #1 (provided by the How To Geek): How to Dual-Boot Windows 10 with Windows 7 or 8 – You probably shouldn’t install Windows 10 on your primary PC. But, if you are going to, you should at least install it in a dual-boot configuration. You can then reboot to switch between your installed versions of Windows. Be sure you have backups of your important files before doing this. You shouldn’t lose your files if you follow this process, but a mistake or bug could cause you to lose them. Better safe than sorry! … READ MORE
OPTION #2 (provided by TechRepublic): Pro tip: How to install Windows 10 Technical Preview in VirtualBox – Do you want to take a closer look at the Windows 10 Technical Preview, but you don’t want to disrupt your current computing environment with what is essentially an incomplete and potentially unstable operating system? If, so you’re in luck, because you can do so quite easily and without any fear by installing the Windows 10 Technical Preview in an Oracle VM VirtualBox virtual machine. In this article, I’ll show you how… READ MORE