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Microsoft Visual C++ Redistributable Packages for Visual Studio 2015 Update 3.Microsoft Visual C++ Redistributable for Visual Studio 2017.The downloads include 32-bit and 64-bit versions if supported. You may use the following links to download the most recent versions of the Microsoft Visual C++ Redistributable packages. Microsoft Visual C++ Redistributable Packages downloads It may be better to keep all versions installed just to be on the safe side of things, and avoid any issues with programs refusing to start after the removal. It may take a lot of testing to get it right though, and may not be worth it if you consider that all redistributable installations combined use a couple of hundred Megabytes tops when installed. You could try and remove the oldest versions of each year first, and see how that goes. If you don't find matching dates, you cannot conclude however that the redistributable is no longer needed, as programs that you installed afterwards may require it as well. If you find matching dates, you can assume that those are linked, and that the redistributable is still needed. One option that you have is to compare installation dates of the redistributable installations with program installations.

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Removing these installations comes down to trial and error, as there is no easy way of linking programs to redistributable versions. The reason for this behavior is that other programs may rely on the redistributable as well. Programs that you remove from your system won't remove the redistributable, even if it was installed during program installation. The worst that can happen however is that programs refuse to run. Note: before you start, consider creating a backup of the system so that you can restore the system if you run into issues removing installed redistributables from the operating system. You can check out additional information on the Universal C Runtime here. These use a universal runtime so that only one (the latest one) needs to be installed instead of all of them. Microsoft changed the system with the release of the Microsoft Visual C++ 2015 Redistributable, and consequently also with the 20 releases. In worst case, you end up with one redistributable installation for any program that requires them on your computer. This means that you should not remove the different builds of the Microsoft Visual C++ Redistributable from your machine if a program that relies on it is still installed on the system. While it may also run if a newer version is installed, this is not always the case and may result in error messages on load, and the termination of the program. If a developer uses a particular version of a standard library, the matching redistributable version needs to be installed on the system to ensure that the program runs on the Windows PC.

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The main reason why you may see so many versions of the same year listed on your PC is that Microsoft never released a unified redistributable for a given year. Eleven different versions of Microsoft Visual C++ 2008 Redistributable exist for instance, and they may all be installed next to each other.

Multiple builds may exist for any main version of Visual C++.

While 32-bit Windows users will only see 32-bit versions of the Microsoft Visual C++ Redistributable version, you may see both installed on 64-bit versions of the operating system.

32-bit and 64-bit versions are made available.

There are a couple of reasons why you see this many of them installed on your computer:

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Windows may ship with some Microsoft Visual C++ Redistributable installations already, but most are installed when you install programs that require them on the system.