Forge Installation

tip

You don't have to install Forge manually. There are versions with pre-installed recommended Forge builds in the Legacy Launcher

Make sure you have Java installed
Download a Forge Installer for selected version from the website
1. (optional) Download non-modified ("vanilla") Minecraft version using Legacy Launcher
Launch the installer by double-clicking it
Install Forge. It will be installed as separate version
1. Select "Install client"
2. In the field below, select the path to the game folder. Make sure it is the same as in the launcher settings
  How to find the game folder?
  Start Legacy Launcher and click the button with the folder icon.
  If you have the "Subfolders" feature enabled, select "Open Minecraft root folder".
  You can also find it in the launcher settings, in the "Game folder" field
3. Press "OK"/"Install" button and wait until installation ends
Start (or restart) the launcher
Select newly installed Forge version
How can I find it?
Manually installed Forge version will be named like XXX-forge-YYY, where XXX is the Minecraft version and YYY is the Forge version, e.g. 1.20.2-forge-48.1.0
Launch the game