DOS之家微软运行库提供了大量的封装函数功能，比如VB库、VC++库等等，让开发者不再需要自己编写一部分函数，极大的方便了开发者程序开发，但是运行库在程序编译的时候并不会提取相关代码编译进程序，所以就需要携带这些运行库了，软件没有运行库，就无法调用这些API，就可能报错或无法运行，所以必须事先安装好运行库，软件才能正常运行。典型的需要运行库的软件有：QQ、酷狗、Photoshop等软件。本集合来自www.mefcl.com的Dreamcast，包含下列组件：
Visual Basic Virtual Machine (5.1)
Visual Basic Virtual Machine (6.0)
Microsoft C Runtime Library 2002
Microsoft C Runtime Library 2003
Microsoft Visual C++ 2005 SP1
Microsoft Visual C++ 2008 SP1
Microsoft Visual C++ 2010 SP1
Microsoft Visual C++ 2012 UP4
Microsoft Visual C++ 2013
Microsoft Visual C++ 2019（for XP）
Microsoft Visual C++ 2015-2022（for Win7-Win11）
Microsoft Universal C Runtime（for XP-WIN7）
Microsoft Visual Studio 2010 Tools For Office Runtime
微软运行库
微软官网独立下载地址：
Microsoft Visual C++ 2015-2019 Redistributable（适用Windows 7或更高版）
x64
https://download.visualstudio.microsoft.com/download/pr/319c0957-2c9f-44b9-9a40-9511a06acda2/84D968AF8984532A4263D1E09808175794EB27ABE90BCF518DD4F35F84DBB65C/VC_redist.x64.exe
x86
https://download.visualstudio.microsoft.com/download/pr/a59bd032-813f-4f57-9f01-c7eae0225894/BBF0FF79C8CFF26C68AD960E09854F2CC19417F7F0C59F95A9B077E3B4DE2A85/VC_redist.x86.exe
Microsoft Visual C++ 2015 Redistributable（适用Windows 7或更高版）
x64
https://download.microsoft.com/download/8/C/4/8C46752E-F6FD-43E4-AF10-E046A128CC0A/VC_redist.x64.exe
x86
https://download.microsoft.com/download/6/D/F/6DF3FF94-F7F9-4F0B-838C-A328D1A7D0EE/vc_redist.x86.exe
Microsoft Visual C++ 2013 Redistributable
x64
https://download.visualstudio.microsoft.com/download/pr/10912041/cee5d6bca2ddbcd039da727bf4acb48a/vcredist_x64.exe
x86
https://download.visualstudio.microsoft.com/download/pr/10912113/5da66ddebb0ad32ebd4b922fd82e8e25/vcredist_x86.exe
Microsoft Visual C++ 2012 Redistributable
x64
https://download.microsoft.com/download/1/6/B/16B06F60-3B20-4FF2-B699-5E9B7962F9AE/VSU_4/vcredist_x64.exe
x86
https://download.microsoft.com/download/1/6/B/16B06F60-3B20-4FF2-B699-5E9B7962F9AE/VSU_4/vcredist_x86.exe
Microsoft Visual C++ 2010 Redistributable
x64
https://download.microsoft.com/download/E/E/0/EE05C9EF-A661-4D9E-BCE2-6961ECDF087F/vcredist_x64.exe
x86
https://download.microsoft.com/download/E/E/0/EE05C9EF-A661-4D9E-BCE2-6961ECDF087F/vcredist_x86.exe
Microsoft Visual C++ 2008 Redistributable
x64
https://download.microsoft.com/download/5/D/8/5D8C65CB-C849-4025-8E95-C3966CAFD8AE/vcredist_x64.exe
x86
https://download.microsoft.com/download/5/D/8/5D8C65CB-C849-4025-8E95-C3966CAFD8AE/vcredist_x86.exe
Microsoft Visual C++ 2005 Redistributable
x64
http://download.microsoft.com/download/8/B/4/8B42259F-5D70-43F4-AC2E-4B208FD8D66A/vcredist_x64.exe
x86
http://download.microsoft.com/download/8/B/4/8B42259F-5D70-43F4-AC2E-4B208FD8D66A/vcredist_x86.exe
下载地址：
123云盘：
https://www.123pan.com/s/68jA-SILWd.html
百度网盘：
https://pan.baidu.com/s/1cswQYz4ZldLR374AJEUikg?pwd=dosh