Download file:
-PowerISO: http://www.poweriso.com/
-All Mac OS X downloads: http://osx.vn/threads/tong-hop-link-download-mac-os-x-10-4-10-11-3-orginal-tu-mac-app-store.286/
-Winrar: http://www.rarlab.com/download.htm
Notes: If you use both Virtualbox and VMware, notice that installesd.dmg works with Virtualbox and installesd.iso works with VMware