FreeBSD has several images: ftp://ftp.freebsd.org/pub/FreeBSD/releases/i386/ISO-IMAGES/8.2/ is bootonly.iso, disc1.iso - can choose first or second? In first all download from net? How extract dvd1.iso.xz xz extension? (I have Windows) with 7zip? dvd1.iso.xz is full instalation?