Websites use the phrase as a trick. They want to make their download look better than the official one.

The 2022 version is the newest package. It handles apps made with recent code. What Does X64 Mean?

A manifest file is pointing to an older version (2015-2019) but the 2022 runtime is installed. Extra Quality Fix: Do not reinstall. Instead, open Event Viewer > Windows Logs > Application . Find the error event. Look for the "Dependent Assembly" name. Then, download the specific older runtime (e.g., 2015-2022 bundle) from Microsoft. The "Extra Quality" approach is to install all versions from 2015 to 2022, as many legacy game engines require fallbacks.

When developers write software using Microsoft Visual C++, they rely on shared code libraries to perform standard programming tasks. Instead of forcing developers to build these massive libraries directly into every individual app—which would make file sizes bloated—Microsoft packages them into a single "Redistributable" installer.

A Visual C++ Redistributable installs Microsoft C and C++ Runtime libraries. Many applications built by using Microsoft Visual C++ Microsoft Learn

Download and install it immediately, along with the x86 version, to ensure your PC is ready for any software you throw at it.

3. "Runtime Error! Program: ... This application has requested the Runtime to terminate it in an unusual way."

Microsoft Visual C++ Redistributable 2022 x64: The "Extra Quality" Guide to Performance and Compatibility