instal the new version for windows OfficeRTool 8.3

It seems like you have a mix of information on different topics. I'll do my best to help you with your request.

From what I understand, you're looking for assistance in installing the new version of Windows OfficeRTool 8.3. However, it appears that there's no official release or documentation available for this specific tool.

However, if you're looking for alternatives to install and activate Microsoft Office 2016, 2019, or 2021, I can provide some general guidance. According to the text, you can visit the official Microsoft Office website, select a subscription plan that suits your needs, and click 'Try for Free for 1 Month' followed by 'Start your 1-month trial'.

If you're interested in installing Mingw-w64 on Windows, I can provide more information on how to do so. According to the text, Mingw-w64 is a project that provides headers and support libraries to run GCC output on Windows. You can download the installation packages from various sources.

Please let me know if there's anything specific you'd like me to help you with or if you have any further questions!

Instal the new version for windows OfficeRTool 8.3