Go through and be sure the plot points are correct. Use the config program to import, then quit the game and open the imported save game with the Trilogy Save Editor, linked above.
Extract it, then right-click it and choose 'install.'
Remove Shared Cooldowns Compatibility patch for No Minigames.Remove Shared Cooldown (Follow instructions on Description Tab.).ME3Tweaks Mod Manager - despite the name, it works for ME2.Also buy All the Downloadable Content from Origin.The Legendary Edition doesn't support nearly as many mods. To get the Downloadable Content (install these before starting a new game): Mass Effect 2 Downloads, Hints & Cheats Nightsolo's Mass Effect 2 Downloads, Hints, & Cheats