Make sure to mention that while upgrading is recommended, for those who must use 2013, the x64 version can offer better performance. Also, maybe note that some features available in newer Office versions aren't present in 2013, so users should be aware.
Conclude by summarizing the key points, advising to consider their needs before opting for Office 2013, and suggesting upgrading if possible. Also, invite readers to share their experiences in the comments, which can be a call to action and encourage engagement.
I need to make sure the Portuguese is correct for Brazil, using common terms and maybe check any specific terms related to software in that region. Also, ensure that the tone is informative but accessible, not too technical. The user might be targeting Brazilian users who are considering using this older version for specific reasons.