Opera 11.00.1060 Alpha & 10.70.9071 Dev & 10.63.3516 Final Multilingual

Fast and free Web browser without installation.
Download Portable Opera Alpha from MegaUpload (8.9 MB)
(md5: 59ee9cf26f916dbb04d4877b06dc4325)
Download Portable Opera Dev from MegaUpload (10.4 MB)
(md5: 941a60a7a15e537f69387c721bb1866b)
Download Portable Opera Final from MegaUpload (10.4 MB)
(md5: d7f263f3b97687b0587db040893f96b1)

Download Flash 10.1.102.64 Plugin from MegaUpload (2.5 MB)

Extract Flash Plugin.

Java Runtime Environment & Plug-in for Portable Apps.
Download Portable Java 6 Update 22 from MegaUpload (18.4 MB)
(md5: b275da2906cb8441d83a6fb7566c6f9e)
Download Updated Opera 10.x Launcher for Java Portable from MegaUpload (45 kB)

Extract in your PortableApps folder (CommonFiles and *Portable folders at the same level).

Extract and run OperaPortable.
Edit OperaPortable.ini to choose Open & Save Dir, not empty cache, not backup icons & thumbnails...
Settings of installed Opera should be preserved.