Pegatron 2ad5 Manual Link -

HP provides a detailed "Motherboard Specifications" page for the Pegatron 2AD5 (Joshua) which includes: Processor support (LGA 1155, Ivy Bridge/Sandy Bridge). Memory capacity (Up to 32GB DDR3). Expansion slots (PCI Express x16, x1, and Mini Card). I/O port diagrams and internal connector layouts.

Open the PDF and search for "Windows 10." If the manual is from 2013, it likely covers Windows 7 and 8. You may need to use compatibility mode for newer OS. pegatron 2ad5 manual link