You will need it twice (for the mod loader and for installing mods).
In the Installations Manager, click the next to your new profile and select Open installation directory . sklauncher how to install mods
Open and go to the Installations Manager tab on the left . Click the plus (+) icon to create a new installation . Name your installation (e.g., "My Modded World") . You will need it twice (for the mod
: This is highly recommended to keep your modded files separate from your vanilla game. , then select your new profile and press sklauncher how to install mods
If the mod requires a "dependency" (a secondary mod needed for it to run), make sure to download that as well. Phase 4: Launching and Troubleshooting