To install Visual Studio 2015 Update 3 without an active internet connection, you can either download the full ISO image or create a local layout using the web installer. Option 1: Official ISO Download (Recommended)
Microsoft has moved older downloads to a dedicated portal. The ISO is a single, large file (approx. 7 GB) that acts as a virtual disk.
Access the Portal: Log in to the Visual Studio Subscriptions Portal.
Select Your Version: Search for "Visual Studio 2015 Update 3."
Choose Format: In the download options, change the format from "EXE" to "DVD" to get the .iso file. visual studio 2015 update 3 offline installer
Install: Once downloaded, right-click the ISO and select Mount. Run vs_community.exe (or the equivalent for Professional/Enterprise) from the virtual drive. Option 2: Create a Local Layout (Command Line)
If you already have the small web installer, you can force it to download all files into a specific folder for later offline use.
Title: Where to Find the Visual Studio 2015 Update 3 Offline Installer (And Why You Might Still Need It)
Meta Description: Need to install VS2015 Update 3 on an offline machine? Microsoft’s official links have changed. Here is how to get the legitimate offline ISO or layout for legacy projects. To install Visual Studio 2015 Update 3 without
Introduction
Let’s be honest: in a world of Visual Studio 2022 and VS Code, why would anyone need Visual Studio 2015 Update 3?
The answer is legacy code. Many enterprise environments, manufacturing systems, and embedded device projects (think Windows CE, older .NET Framework versions, or specific C++ runtimes) are still locked to this toolchain.
The problem? Microsoft’s official download pages have archived or redirected these links. If you try to run the web installer on a clean or air-gapped machine, it often fails due to expired signing certificates or missing redirection URLs. Title: Where to Find the Visual Studio 2015
This guide walks you through getting the legitimate offline installer for VS2015 Update 3 (Version 14.0.25431.01).
vs_community.exe --layout C:\VS2015_Offline --lang en-US
--layout → specifies the folder where setup files will be saved.--lang → language (e.g., en-US, zh-CN, de-DE). Omit to download all languages (very large).If you manage to obtain an ISO from a third party, never run it without verifying integrity. Below are the official hashes for Visual Studio 2015 Update 3 (as provided by Microsoft in 2016 – verify with current documentation).
| Edition | File Name | SHA-1 Hash |
| :--- | :--- | :--- |
| Community (ISO) | vs2015.3.comm.iso | B8D5B0BFDB5D61D0ADF9431A648CF4ED15C0EB73 |
| Professional (ISO) | vs2015.3.pro.iso | C4C0F7D512E03B9B5D7008D7AFC9074549E461E1 |
| Enterprise (ISO) | vs2015.3.ent.iso | 4E191B2B18DAD01025051D4373D14668F76D553F |
| Build Tools | vs2015_buildtools.iso | F6D3B46FEF9481C6C95739563420A000DC37EF66 |
To check a hash on Windows: certutil -hashfile C:\path\to\your.iso SHA1
Once you have the layout folder, you can turn it into a standard ISO file using tools like ImgBurn or the Windows Assessment and Deployment Kit (ADK). This makes mounting the "installer" on virtual machines much easier.
vs_enterprise.exe (or vs_professional.exe) and select Run as Administrator.packages folder and will not reach out to the internet (unless you selected optional online components).