I am going to try that new Windows 10 Technical Preview on my Inspiron 15z 5523.
Will those Intel HD Graphics drivers "10.18.10.3277" and the newer ones and the Intel Rapid Storage Technology and Rapid Start Technology and the other Intel drivers that work with Windows 8.1 work on Windows 10 Technical Preview?
At this point our drivers (Not all of them) support up to Windows 8.1. Since this is a BETA version we may not have drivers for the BETA version but for the Official release I am pretty sure Engineering is working to have drivers.
I would recommend you checking the Intel® news Room for updates on new products and releases:
My best recommendation is to install the drivers the OEM will provide so you can be sure it will work just fine with this new Operating System.