1. Install ISORecorder.msi in download folder or use your own ISO burning software,
2. Place blank CD in drive,
3. To burn using isorecorder, right click en_windows_xp_home_with_service_pack_3_x86_cd_x14-92413.iso and select
'Copy image to CD'
4. Upgrade by launching setup whilst on desktop or install fresh by booting from the CD.