Download and install OptiFine.Start Minecraft with an OptiFine profile that has the game version 1.13 or higher.Click on “options” in the menu, then on “video settings” and select “details”.Set “fast” in the “trees” field on the left side of the screen. Your FPS will be higher due to this setting. If you have a very good computer, you can choose “fancy” instead.Click on one of the Better Leaves texture pack download links.Go to “resource packs” in the Minecraft options.Open the resource pack folder at the bottom left.Take the downloaded file and move it to the pack folder.Activate Better Leaves in the game.