The Community Edition (Visual Studio Community 2015) is available for free access by non-enterprise or open source developers;
Online installation Exe:http://download.microsoft.com/download/b/4/8/b4870509-05cb-447c-878f-2f80e4cb464c/vs_community.exe
Offline ISO address: http://download.microsoft.com/download/B/4/8/B4870509-05CB-447C-878F-2F80E4CB464C/vs2015.com_chs.iso
Mirror SHA1:1044F9F4E0EA1304AFECF6780BF599F1DA248DF8
The Professional Edition (Visual Studio Professional with MSDN) provides a more complete set of tools and services that independent developers and development teams can use to further enhance productivity and build professional-grade applications;
Installation key:
Hmgnv-wcyxv-x7g9w-ycx63-b98r2
Online installation Exe:http://download.microsoft.com/download/b/8/9/b898e46e-cbae-4045-a8e2-2d33dd36f3c4/vs_professional.exe
Offline ISO address: http://download.microsoft.com/download/B/8/9/B898E46E-CBAE-4045-A8E2-2D33DD36F3C4/vs2015.pro_chs.iso
Mirror sha1:629e7154e2695f08a3c692c0b3f6ce19df6d3a72
The Enterprise Edition (Visual Studio Enterprise with MSDN) is the latest version after the Advanced edition (Visual Studio Premium) and the Ultimate Edition (Visual Studio Ultimate) are consolidated. It provides teams with specialized optimizations for large-scale applications and services, including all of the high-value features in the flagship edition, and adds more innovative content.
Online installation Exe:http://download.microsoft.com/download/b/8/f/b8f1470d-2396-4e7a-83f5-ac09154eb925/vs_enterprise.exe
Offline ISO address: http://download.microsoft.com/download/B/8/F/B8F1470D-2396-4E7A-83F5-AC09154EB925/vs2015.ent_chs.iso
Mirror SHA1:4FFA1EE3E2D3337D3EDAE550A3583ABE9C426BEF
Visual Studio 2015 Community Edition. Professional Edition. Enterprise Edition