Because the files are "ESD" (compressed), it is nearly impossible for a standard antivirus to scan the contents before installation. A malicious creator could easily embed a
This indicates the ISO contains three different sub-versions (likely Pro, Home, and Education) that share common files to save space. This is achieved using Windows Imaging Format (WIM) Electronic Software Download (ESD) Windows 10 X64 21H1 Pro 3in1 OEM ESD pt-BR JUNH...
Microsoft no longer offers 21H1 via the public Media Creation Tool (it serves 22H2). But you can still download using the Windows and Office ISO Download Tool (open-source, uses official Microsoft servers) or directly from the Volume Licensing Service Center (for businesses). Because the files are "ESD" (compressed), it is
: O processo de instalação do Windows começará automaticamente. Siga as instruções. Because the files are "ESD" (compressed)