If you are looking for a free, powerful IDE, Microsoft now offers more advanced versions that are completely free for individuals and small teams:

Microsoft now offers , which is a free, fully-featured IDE for students, open-source developers, and individual creators. It is significantly more powerful than the 2010 version and is fully compatible with the latest Windows versions and modern coding standards.

The search for reflects a real need in the software maintenance world. While you can legally acquire the trial version directly from Microsoft’s servers today, the full "free" ultimate edition does not exist for commercial use. Use the trial to extract your legacy code, then migrate forward to a modern, secure IDE like Visual Studio 2022 Community.