Hi after some trouble installing Qubes I've finally make it work. I'm kindda newbie in linux world, but I'm learning and also loving Qubes :D.
*****I had trouble with*****:
- Nouveau, I needed to add "nouveau.modeset=0" in the begining of installation(with tab in install qubes option)
-Things made in windows 10 didn't worked(bootable usb made with rufus software, also tried to burn a dvd in windows but it didn't worked) --- without "nouveau.modeset=0", discovered this "trick" latter.
-Tried to make usb bootable with dd command using ubuntu, didn't worked either --- without "nouveau.modeset=0", discovered this "trick" latter .
*****What worked*****:
Legacy mode, Vt-D and virtual stuff in bios turned on, also secure boot disabled.
In the beginning of installation I needed to add a command to installation pressing tab in the option I want and adding before "---" "nouveau.modeset=0"
Installed with a DVD.
*****Until now I've done somethings*****:
Installed(all in personal) -- Opera, Chrome, Tixati torrent client. All with .rpm package(dunno if it's called like that o.0)
Updated all Template vms, dom0 and kernel(using sys-net and sys-whonix).
Watched some stuff in netflix(with chrome, other browsers even that I installed flash plugin in fedora 26 didn't work).
Sorry about some english mistakes I've made, I'm Brazillian and rarely spoke or write stuff in english =/ .
Hope that this can help someone.