You're looking for a guide related to "Microsoft Office LTSC 2021 ProPlus X64.pt-BR.iso". This appears to be an ISO file for the Portuguese (Brazil) version of Microsoft Office LTSC (Long-Term Servicing Channel) 2021 ProPlus, a 64-bit version.
Aviso importante: O Office LTSC 2021 não é vendido no varejo (lojas comuns). Ele é distribuído exclusivamente por:
Dark Mode Support: Improved accessibility and visual comfort across all apps.
Edition: Professional Plus (includes all, plus advanced apps).
Important note:
Sharing or downloading this file without a valid Microsoft license would violate copyright laws. If you need this software legally, obtain it through Microsoft’s Volume Licensing Service Center (VLSC) or an authorized reseller with a valid license agreement.
