How to Play Direwolf with scallywags

In order to play on direwolf 2.0 with Scallywags, you have to either have a feed the beast launcher or twitch. FTB launcher download it here FTB

You can also have Twitch for desktop.
Windows and Mac https://www.twitch.tv/downloads

Log in and open Twitch and click the Mods tab.

If your Minecraft is faded and says "Not Installed". Click on the faded icon and locate your installation.
Clicking on this will bring you to the screen to install a copy of Minecraft that the Twitch App will use.--Twitch

Locate The tab that says my mod packs, it will be empty. Find the tab that says browse modpacks or browse FTB modpacks. In the search put in Direwolf 2.0 Add it to your packs.

If this is confusing please read the following tutorial by twitch
https://help.twitch.tv/s/article/How-to-Play-Minecraft-with-Twitch-App?language=en_US