The product "Microsoft Office 2010" was released exclusively for Windows; there is no official "Office 2010" version for Mac. The equivalent release for Apple users was Microsoft Office 2011 for Mac, but it is no longer supported or sold by Microsoft.
This is the direct contemporary to Office 2010. It is a 32-bit application and is compatible with Sierra. Microsoft Office 2016 for Mac (Version 16.16.27): Microsoft Office 2010 Free Download For Mac Os Sierra
A few sites might redirect you to a cracked version of a newer Office for Mac. These cracks require disabling macOS security features (Gatekeeper) and often include backdoors that give hackers remote access to your machine. The product "Microsoft Office 2010" was released exclusively
The most reliable "free" way to use authentic Microsoft apps is through a browser. You can access Microsoft 365 for the web for free by signing in with a Microsoft account. Apps Included: Word, Excel, and PowerPoint. It is a 32-bit application and is compatible with Sierra
Office 2010 reached End of Support on October 13, 2020. Even on Windows, it is now a security hazard. On macOS, without any patches, it is a gaping hole in your system.
