Put the folder "Jane00" into your C:\Users\[Username]\Documents\BioWare\Mass Effect Legendary Edition\Save\ME1 - Or wherever your savegames are stored.
Open game, and load Jane Shepard career.

Talk to Avina, and ask her about the keeper.

Achievement should be unlocked.

- Note this save also has all sidequests completed and only need to finish Virmire.