Assuming you have obtained the office_2013_language_pack_pt-pt_x64.exe (or .cab file), here is how to install it on Windows 10 or 11.
Microsoft officially ended mainstream support for Office 2013. As a result, direct download links for language packs are occasionally removed from Microsoft's public servers or moved to the Volume Licensing Service Center (VLSC). If you cannot find the direct link, you may need to use the "Language Accessory Pack" method provided by Microsoft.
: Avoid random “free download” websites. Many inject malware. Always verify SHA-1 hashes if possible.
: If you already have a language pack installed, you can download the Service Pack 1 for Office 2013 Language Pack (PT-PT) for performance and security updates. 32-Bit Version Download here 64-Bit Version Download here Alternative: Reinstalling in Portuguese
Since official direct links for Office 2013 are becoming scarce, you have two primary options:
But for users in Portugal, Angola, Mozambique, and other Portuguese-speaking nations outside of Brazil, there is a specific, non-negotiable detail: the accent.