Using an unofficial repack of Office 2013 in 2026 is highly discouraged for several reasons:

According to user testimonials and release notes found on Brazilian forums (e.g., Clube do Hardware or Baixaki 2.0 ), the typically offers the following features:

Also, note that the 64-bit version is for systems that can run 64-bit architecture, which might be important for some users. Maybe some users with older hardware or specific software needs stick to 32-bit Office, but the x64 here is 64-bit.