Yes, there will be a headphone and microphone jack, there are also headphone and microphone ports on the Corsair 750d. In terms of USB ports there will be 4 USB 2.0 jacks (2 on mobo, 2 on case) and 5 USB 3.0 ports (2 on case, 3 on mobo) as well as a USB 3 Type-C port on the mother board. And if you want Windows 10 you can find it on kinguin for $30 (USD) Or from Microsoft for $120-$200 depending on what version you pick, you can also get it for $95-$130 at Microcenter