Visual Studio 2010 Ultimate

I notice you mentioned Visual Studio 2010 Ultimate, which is a very old version (released in 2010, mainstream support ended in 2015). Microsoft no longer provides updates or new features for it.

New Language Support: It was the first version to include F# and improved support for C++0x standards. System Requirements visual studio 2010 ultimate

Add a Modern Source Control Provider

Install GitExtensions or SourceTree externally. Use the command line for git operations inside VS 2010. It’s not integrated, but it works. I notice you mentioned Visual Studio 2010 Ultimate

4. Are you looking for a literal piece?

If by "piece" you meant a physical object or a download component: Microsoft Visual Studio Website : The official Microsoft

• Microsoft Visual Studio Website: The official Microsoft Visual Studio website provides a wealth of information, including tutorials, documentation, and community forums.
• Visual Studio 2010 Ultimate Documentation: Microsoft provides extensive documentation for Visual Studio 2010 Ultimate, including user guides, tutorials, and reference materials.
• Developer Communities: Join online developer communities, such as Stack Overflow, Reddit's r/learnprogramming, and the Visual Studio Developer Community, to connect with other developers and get help with any questions or issues you may have.

The Ultimate edition distinguishes itself by including every feature found in the Professional and Premium versions, while adding high-end tools for architects and quality assurance specialists. Microsoft® Visual Studio® 2010