Manually Installing ASP.NET Core 3.1 Runtime - Windows and Linux

You can manually install Install ASP.NET Core 3.1 Runtime (version 3.1.13) in Windows and Linux environments.

Windows

1. Go to the "Download .NET Core 3.1" website at https://dotnet.microsoft.com/download/dotnet/3.1.
2. In the "ASP.NET Core Runtime 3.1.13" pane, click the Window x64 link to download the installer to your local machine.
3. Double-click the aspnetcore-runtime-3.1.13-win-x64.exe file to run the installation wizard.
4. Accept the license terms and conditions, and then click Install.
5. When installation is complete, click Close.

Linux

1. Go to the "Download .NET Core 3.1" website at https://dotnet.microsoft.com/download/dotnet/3.1.
2. In the "ASP.NET Core Runtime 3.1.13" pane, click the Linux Package manager instructions link to open the "Install .NET on Linux" web page (https://docs.microsoft.com/en-us/dotnet/core/install/linux).
3. In the "Manual Installation" section, click "Scripted install with install-dotnet.sh" to open the "Scripted install"  web page (https://docs.microsoft.com/en-us/dotnet/core/install/linux-scripted-manual#scripted-install).
4. Download the dotnet-install.sh file to your local machine.
5. In the Linux Terminal, set the path to the download location.
6. To install the latest version of .NET Core 3.1, run the following command:

./dotnet-install.sh -c Current

7. To specifically install .NET Core 3.1, run the following command :

./dotnet-install.sh -c 3.1