Need .NET Framework 2.0 or above.
Extract and run CDBurnerXPPortable.
Language set by launcher according UserDefaultLang (if you don't want: write UserDefaultLang=false in CDBurnerXPPortable.ini).
If you drag'n drop a dxp/axp file (project) on (or open with) CDBurnerXPPortable: it will be opened in CDBurnerXP.
Settings of installed CDBurnerXP should be preserved.