Microsoft ended support for Office 2003 in 2014 . It has known, unpatched vulnerabilities that can infect your PC with malware, ransomware, or allow remote code execution. Running it on a modern Windows version (10/11) is highly risky even if you find a legitimate installer.
I understand you're asking about a "deep paper" or analysis related to the search phrase (Spanish for "download Microsoft Office 2003 free Softonic"). descargar microsoft office 2003 gratis softonic
Microsoft Office 2003 was never free. Any download labeled "gratis" from Softonic, Archive.org, or torrent sites is pirated software . Softonic is also known for bundling adware, browser hijackers, and potentially unwanted programs (PUPs) with third-party downloads. Microsoft ended support for Office 2003 in 2014
However, I must provide a critical security and legality warning: I understand you're asking about a "deep paper"
Even in the past, Softonic’s download wrappers added toolbars and junkware. Today, it's not a trusted source for software that requires a license key.