Download .NET Core 3.0

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.NET Core 3.0 should be used with the latest previews of Visual Studio.

Visual Studio: Use the latest preview of Visual Studio 2019 installed from the Visual Studio preview channel. Other versions of Visual Studio 2019 are not recommended, but you can enable .NET Core SDK previews in Visual Studio.
Visual Studio for Mac: Use the latest preview of Visual Studio for Mac 8.2 installed from the Preview channel.

Downloads for each release of .NET Core 3.0
Release information	Build apps - SDK	Run apps - Runtime
v3.0.0-preview6 Preview Released 2019-06-12 Release notes Supports C# 8.0-preview Supports F# 4.6 Supports Visual Studio 2019 (v16.2, latest preview) Supports Visual Studio 2019 for Mac (v8.2 preview) ASP.NET Core IIS Module 13.0.19150.0	SDK 3.0.100-preview6-012264 Windows .NET Core Installer: x64 \| x86 .NET Core Binaries: x64 \| x86 \| ARM32 macOS .NET Core Installer: x64 .NET Core Binaries: x64 Linux .NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine \| RHEL 6 x64 Other Checksums: Checksums	Runtime 3.0.0-preview6-27804-01 Windows ASP.NET Core/.NET Core: Runtime & Hosting Bundle ASP.NET Core Installer: x64 \| x86 ASP.NET Core Binaries: ARM32 .NET Core Installer: x64 \| x86 .NET Core Binaries: x64 \| x86 \| ARM32 macOS ASP.NET Core Binaries: x64 .NET Core Installer: x64 .NET Core Binaries: x64 Linux ASP.NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine .NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine \| RHEL 6 x64 Other Checksums: Checksums
v3.0.0-preview5 Preview Released 2019-05-06 Release notes Supports C# 8.0-preview Supports F# 4.6 Supports Visual Studio 2019 (v16.1, latest preview) Supports Visual Studio 2019 for Mac (v8.2 preview) ASP.NET Core IIS Module 13.0.19118.0	SDK 3.0.100-preview5-011568 Windows .NET Core Installer: x64 \| x86 .NET Core Binaries: x64 \| x86 \| ARM32 macOS .NET Core Installer: x64 .NET Core Binaries: x64 Linux .NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine \| RHEL 6 x64 Other Checksums: Checksums	Runtime 3.0.0-preview5-27626-15 Windows ASP.NET Core/.NET Core: Runtime & Hosting Bundle ASP.NET Core Installer: x64 \| x86 ASP.NET Core Binaries: x64 \| x86 \| ARM32 .NET Core Installer: x64 \| x86 .NET Core Binaries: x64 \| x86 \| ARM32 macOS ASP.NET Core Binaries: x64 .NET Core Installer: x64 .NET Core Binaries: x64 Linux ASP.NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine .NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine \| RHEL 6 x64 Other Checksums: Checksums
v3.0.0-preview4 Preview Released 2019-04-18 Release notes Supports C# 8.0-preview Supports F# 4.6 Supports Visual Studio 2019 (v16.1, latest preview) Supports Visual Studio 2019 for Mac (v8.2 preview) ASP.NET Core IIS Module 13.0.19106.0	SDK 3.0.100-preview4-011223 Windows .NET Core Installer: x64 \| x86 .NET Core Binaries: x64 \| x86 \| ARM32 macOS .NET Core Installer: x64 .NET Core Binaries: x64 Linux .NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine \| RHEL 6 x64 Other Checksums: Checksums	Runtime 3.0.0-preview4-27615-11 Windows ASP.NET Core/.NET Core: Runtime & Hosting Bundle ASP.NET Core Installer: x64 \| x86 ASP.NET Core Binaries: x64 \| x86 \| ARM32 .NET Core Installer: x64 \| x86 .NET Core Binaries: x64 \| x86 \| ARM32 macOS ASP.NET Core Binaries: x64 .NET Core Installer: x64 .NET Core Binaries: x64 Linux ASP.NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine .NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine \| RHEL 6 x64 Other Checksums: Checksums
v3.0.0-preview3 Preview Released 2019-03-06 Release notes Supports C# 8.0-preview Supports F# 4.6 Supports Visual Studio 2019 for Mac (v8.2 preview) ASP.NET Core IIS Module 13.0.19025.0	SDK 3.0.100-preview3-010431 Windows .NET Core Installer: x64 \| x86 .NET Core Binaries: x64 \| x86 \| ARM32 macOS .NET Core Installer: x64 .NET Core Binaries: x64 Linux .NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine \| RHEL 6 x64 Other Checksums: Checksums	Runtime 3.0.0-preview3-27503-5 Windows ASP.NET Core Installer: x64 \| x86 ASP.NET Core Binaries: x64 \| x86 \| ARM32 .NET Core Installer: x64 \| x86 .NET Core Binaries: x64 \| x86 \| ARM32 macOS ASP.NET Core Binaries: x64 .NET Core Installer: x64 .NET Core Binaries: x64 Linux ASP.NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine .NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine \| RHEL 6 x64 Other Checksums: Checksums
v3.0.0-preview2 Preview Released 2019-01-29 Release notes Supports C# 8.0-preview Supports F# 4.5 ASP.NET Core IIS Module 13.0.19025.0	SDK 3.0.100-preview-010184 Windows .NET Core Installer: x64 \| x86 .NET Core Binaries: x64 \| x86 \| ARM32 macOS .NET Core Installer: x64 .NET Core Binaries: x64 Linux .NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine \| RHEL 6 x64 Other Checksums: Checksums	Runtime 3.0.0-preview-27324-5 Windows ASP.NET Core/.NET Core: Runtime & Hosting Bundle ASP.NET Core Installer: x64 \| x86 ASP.NET Core Binaries: x64 \| x86 \| ARM32 .NET Core Installer: x64 \| x86 .NET Core Binaries: x64 \| x86 \| ARM32 macOS ASP.NET Core Binaries: x64 .NET Core Installer: x64 .NET Core Binaries: x64 Linux ASP.NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine .NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine \| RHEL 6 x64 Other Checksums: Checksums
v3.0.0-preview-27122-01 Preview Released 2018-12-04 Release notes Supports C# 7.3 Supports F# 4.5 ASP.NET Core IIS Module 13.0.18333.0	SDK 3.0.100-preview-009812 Windows .NET Core Installer: x64 \| x86 .NET Core Binaries: x64 \| x86 \| ARM32 macOS .NET Core Installer: x64 .NET Core Binaries: x64 Linux .NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine \| RHEL 6 x64 Other Checksums: Checksums	Runtime 3.0.0-preview-27122-01 Windows ASP.NET Core/.NET Core: Runtime & Hosting Bundle ASP.NET Core Installer: x64 \| x86 ASP.NET Core Binaries: x64 \| x86 \| ARM32 .NET Core Installer: x64 \| x86 .NET Core Binaries: x64 \| x86 \| ARM32 macOS ASP.NET Core Binaries: x64 .NET Core Installer: x64 .NET Core Binaries: x64 Linux ASP.NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine .NET Core Binaries: x64 \| ARM32 \| ARM64 \| x64 Alpine \| RHEL 6 x64 Other Checksums: Checksums