## Overview This is the preparation to be done before installing Pleasanter on Windows/Windows Server. ## Installation and configuration of prerequisite software To install Pleasanter, you need to install and configure the following software. Install all of them according to the procedure below. ### 1. Enabling Windows features Perform one of the following procedures according to the OS you are installing. [Enable Windows Function (Windows 10 / 11)](feature-activation-windows10) [Enable Windows Features (Windows Server 2016)](feature-activation-windows-server2016) [Enable Windows Features (Windows Server 2019)](feature-activation-windows-server2019) [Enable Windows Features (Windows Server 2022)](feature-activation-windows-server2022) ### 2. Install .NET [.NETのインストール（Windows環境）](install-dotnet-windows) ### 3. Install database #### If you use SQL Server for DB [Install and Configure SQL Server 2022 Express](install-sql-server2022-express) [Install SQL Server Management Studio](install-sql-server-management-studio) #### If you use PostgreSQL for DB [Install PostgreSQL (Windows OS)](install-postgresql-on-windows) #### If you use MySQL for the database [Install MySQL (Windows OS)](install-mysql-on-windows) [Configure the Web Server and DB Server to Use MySQL Separately](mysql-create-user-by-sql) (not required. Implement only if necessary for your configuration) *MySQL can be used from version 1.4.9.0 onwards. Pleasanter versions before 1.4.9.0 do not support MySQL.