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Install .NET 8 (Windows OS)

Support for .NET 8 ends on November 10, 2026

Microsoft support for .NET 8, on which Pleasanter 1.4 runs, ends on November 10, 2026 (.NET and .NET Core official support policy). Pleasanter 1.5 runs on .NET 10. For the steps to migrate from Pleasanter 1.4 to 1.5, see the following pages.

You can also leave the migration work to the developer's engineers. See Pleasanter Version Upgrade and Environment Migration (Japanese) on the product site.

Overview

These are the steps to install .NET 8. Always do this before setting up Pleasanter on Windows.

Prerequisites

  1. If you use Pleasanter 1.5.0.0 or later, install .NET 10.0.x.
  2. Pleasanter will not start unless you install the Hosting Bundle. Check the steps and install both .NET and the Hosting Bundle.

Installing .NET 8.0

Install both "SDK 8.0.x" and the "Hosting Bundle" of .NET 8.0.

Procedure

The steps to install .NET are as follows.

  1. Install the SDK
  2. Install the Hosting Bundle

Installing the SDK

  1. Open a browser and go to the following URL.

    https://dotnet.microsoft.com/download/dotnet/8.0

  2. Download and install "SDK 8.0.x".

    The .NET 8.0 download page, with the download link for "SDK 8.0.x"

  3. Open a Command Prompt or PowerShell, run the following command, and confirm that "8.0.x" is shown.

    dotnet --version

Installing the Hosting Bundle

  1. Download and install the "Hosting Bundle".

    The .NET 8.0 download page, with the download link for the "Hosting Bundle"