--snip--
Thank you for the links ETF. I have checked all the links you provided and luckily I have the minimum required system rerquiremnts. I understood it's a bit of complicated process but I'm sure if I try a little, I'll get it installed, as I have experience in testing out other OS (Basically different linux distros).
That's great, just don't forget Qubes OS feels different compared with most linux distro.
BTW do you know what is qubes OS is based on? I haven't checked every line of the documentation. It's filled with links and sections.
As @Joeyp said, it's based on Fedora. A bit detail about it can be found at
https://www.qubes-os.org/doc/supported-releases/#dom0.
One thing, I didn't quite understand is that there was a term where it said operating system freedom, means I can use linux distros along with windows program. In day to day linux, there are many alternative windows applications, like office. I wonder, what did they meant! Did they somehow integrated windows apps in their OS, or is it just an alternative.
IIRC it refer to Windows OS support on it's Qube/VM along with some feature to make it more user friendly (such as showing an Windows application rather than whole VM screen).