Step 1. Open the CurseForge/Overwolf Launcher
Step 2. Click the cog wheel in the lower left.
Step 3. Under Game Specific click Minecraft
Step 4. Scroll down to Java Settings. Under Allocated memory, adjust the orange slider to your desired RAM amount
Step 5. Click the X to save and close the settings.
You have now allocated more RAM/Memory to Minecraft through the CurseForge Launcher!