Extract and run WinRARPortable.
You must be connected to Internet during extraction: installer will download setup to extract files (
Arabic,
Armenian, Belarusian, Bulgarian, Catalan, Chinese Simplified, Chinese
Traditional, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish,
French, Georgian, German, Greek, Hebrew, Hungarian, Indonesian,
Italian, Japanese, Korean, Lithuanian, Macedonian, Norwegian, Polish,
Portuguese, Portuguese Brazilian, Romanian, Russian, Serbian Cyrillic,
Serbian Latin, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish,
Ukrainian, Uzbek, Valencian, Vietnamese)
Settings of installed WinRAR should be preserved.