Multi-part RAR files from HaDoanTV require downloading all numbered parts into a single folder, with extraction initiated solely from "part 1" using WinRAR or 7-Zip to reassemble the data [1]. To ensure successful extraction and installation, users should verify they have all parts from the original download page, use the common password "hadoantv.com," and temporarily disable antivirus if the setup file is flagged [1]. You can find more information about the site's downloading process on the official HaDoanTV FAQ page.