Get all available versions:
dotnet --info
.NET Core SDK (reflecting any global.json):
Commit: b1dcd32553
OS Name: Windows
OS Version: 10.0.18363
OS Platform: Windows
RID: win10-x64
Base Path: C:\\Program Files\\dotnet\\sdk\\3.1.400-preview-015203\\
Host (useful for support):
Version: 3.1.6
Commit: 3acd9b0cd1
.NET Core SDKs installed:
2.1.602 [C:\\Program Files\\dotnet\\sdk]
2.1.700-preview-009601 [C:\\Program Files\\dotnet\\sdk]
2.1.700 [C:\\Program Files\\dotnet\\sdk]
2.1.701 [C:\\Program Files\\dotnet\\sdk]
2.1.800-preview-009696 [C:\\Program Files\\dotnet\\sdk]
2.1.801 [C:\\Program Files\\dotnet\\sdk]
2.2.203 [C:\\Program Files\\dotnet\\sdk]
3.0.100 [C:\\Program Files\\dotnet\\sdk]
3.1.200 [C:\\Program Files\\dotnet\\sdk]
3.1.302 [C:\\Program Files\\dotnet\\sdk]
3.1.400-preview-015203 [C:\\Program Files\\dotnet\\sdk]
.NET Core runtimes installed:
Microsoft.AspNetCore.All 2.1.9 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.1.11 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.1.12 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.1.16 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.1.20 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.2.4 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.All]
Microsoft.AspNetCore.App 2.1.9 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.1.11 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.1.12 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.1.16 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.1.20 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.2.4 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.0.0 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.2 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.6 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.App]
Microsoft.NETCore.App 2.1.9 [C:\\Program Files\\dotnet\\shared\\Microsoft.NETCore.App]
Microsoft.NETCore.App 2.1.11 [C:\\Program Files\\dotnet\\shared\\Microsoft.NETCore.App]
Microsoft.NETCore.App 2.1.12 [C:\\Program Files\\dotnet\\shared\\Microsoft.NETCore.App]
Microsoft.NETCore.App 2.1.16 [C:\\Program Files\\dotnet\\shared\\Microsoft.NETCore.App]
Microsoft.NETCore.App 2.1.20 [C:\\Program Files\\dotnet\\shared\\Microsoft.NETCore.App]
Microsoft.NETCore.App 2.2.4 [C:\\Program Files\\dotnet\\shared\\Microsoft.NETCore.App]
Microsoft.NETCore.App 3.0.0 [C:\\Program Files\\dotnet\\shared\\Microsoft.NETCore.App]
Microsoft.NETCore.App 3.1.2 [C:\\Program Files\\dotnet\\shared\\Microsoft.NETCore.App]
Microsoft.NETCore.App 3.1.6 [C:\\Program Files\\dotnet\\shared\\Microsoft.NETCore.App]
Microsoft.WindowsDesktop.App 3.0.0 [C:\\Program Files\\dotnet\\shared\\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 3.1.2 [C:\\Program Files\\dotnet\\shared\\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 3.1.6 [C:\\Program Files\\dotnet\\shared\\Microsoft.WindowsDesktop.App]
To install additional .NET Core runtimes or SDKs:
<https://aka.ms/dotnet-download>
To switch versions:
dotnet new globaljson --sdk-version 3.1.302 --force
dotnet --version # verifies current version