Understanding Microsoft Visual C++ 2015-2019 Redistributable (x64)
If you’ve ever tried to launch a modern PC game or a professional software suite only to be met with an error message saying a .dll file is missing, you’ve encountered the need for the Microsoft Visual C++ Redistributable.
Specifically, the "2015-2019" package is one of the most vital components for any Windows user. Here is everything you need to know about what it is, why you need it, and how to manage it. What is the Visual C++ Redistributable?
When developers create applications using Microsoft Visual Studio, they use libraries of pre-written code to perform standard tasks (like displaying a window or managing memory). Instead of forcing every single app to include these massive files in their own installation folder, Microsoft provides "Redistributable" packages.
These packages install Runtime Components that allow multiple different programs to share the same library files. The "x64" version specifically targets 64-bit operating systems and applications. Why are 2015, 2017, and 2019 grouped together?
In the past, every version of Visual C++ (2005, 2008, 2010, etc.) was independent. If a program needed the 2010 version, you had to have the 2010 package installed specifically.
Starting with version 2015, Microsoft changed the architecture to be binary compatible. This means: The 2017 redistributable replaced the 2015 version. The 2019 redistributable replaced the 2017 version.
The current installer (often labeled 2015-2022) covers all of them.
When you install the "2015-2019 x64" package, you are essentially getting a "super-package" that supports any software built with Visual Studio 2015, 2017, or 2019. Common Error Messages Without this package, you will likely see errors such as:
“The program can't start because VCRUNTIME140.dll is missing from your computer.” “MSVCP140.dll was not found.”
“The execution cannot proceed because [file].dll was not found.” microsoft visual c 2015 redistributable 2019 x64
These errors don't usually mean your computer is broken; they simply mean the application can't find the library it needs to run its code. How to Install or Repair
If you are missing this component, or if a program is crashing, follow these steps:
Official Download: Always download directly from the Microsoft Support website. Avoid third-party "DLL fixer" sites, which often bundle malware.
Choose x64: Since most modern systems are 64-bit, download the vc_redist.x64.exe.
Note: If you are running a 32-bit app on a 64-bit system, you might also need the x86 version.
Run as Administrator: Right-click the installer and select "Run as Administrator" to ensure it has the permissions to write to system folders.
Restart: Even if not prompted, a quick reboot ensures Windows recognizes the new path to these libraries. Can I uninstall old versions?
You might notice multiple versions of the Redistributable in your "Apps & Features" list. While it looks like clutter, do not uninstall them unless you are troubleshooting a specific issue. Different programs rely on different years (2008, 2012, etc.). However, if you see multiple entries for "2015-2019," you generally only need the latest version, as it is backward compatible.
The Microsoft Visual C++ 2015 Redistributable (also known as Microsoft Visual C++ 2015 Redistributable Update 3 RC) is a package that installs the Visual C++ runtime libraries required to run applications developed with Visual C++ on a Windows computer.
What is it?
The Microsoft Visual C++ 2015 Redistributable is a collection of libraries and components that are required to run applications developed with Visual C++ 2015. These libraries provide functionality such as:
Why is it needed?
Many applications developed with Visual C++ 2015 require the Visual C++ 2015 Redistributable to be installed on the target computer. This package provides the necessary libraries and components to run these applications.
Key Features:
Installation:
The Microsoft Visual C++ 2015 Redistributable can be installed in several ways:
System Requirements:
Package Details:
Microsoft Support:
Microsoft provides support for the Visual C++ 2015 Redistributable through various channels, including: C++ Standard Library C++ Runtime Library Visual C++
By installing the Microsoft Visual C++ 2015 Redistributable, you ensure that your Windows computer has the necessary libraries and components to run applications developed with Visual C++ 2015.
The Microsoft Visual C++ 2015-2019 Redistributable (x64) is a unified runtime package that allows 64-bit applications and games built with Visual Studio 2015, 2017, and 2019 to run on your PC without needing the full development environment installed. Key Features & Capabilities
Unified Binary Compatibility: Since Visual Studio 2015, these versions share a common runtime (v140). This means one installation supports software created in any of the three versions, effectively replacing the need for separate 2015 and 2017 packages.
Runtime Components: It installs critical libraries required for modern software execution, including:
C Runtime (CRT): Standard functions for memory management, file I/O, and string handling.
Standard C++ Library: Essential components for executing C++ code.
MFC & ATL: Libraries for building user interfaces and supporting COM-based objects.
OpenMP & C++ AMP: Supports high-performance parallel computing and GPU acceleration.
System Stability: It acts as a shared resource; once installed, multiple different programs can use the same library files simultaneously, saving system space and improving performance. System & Usage Details
Cause: Background processes blocking the installer.
Solution: Clean boot Windows, then retry. Why is it needed
Unlike static linking (which embeds C++ code into each EXE), the redistributable allows Microsoft to centrally patch vulnerabilities (e.g., memory corruption in memmove, buffer overflows in std::string). The 2015-2019 package receives security updates via Windows Update (KB updates). Administrators should ensure the latest 14.29.30139 (or newer) build is deployed to mitigate known CVE entries related to the C++ Standard Library.