Depends on who wins next April: most likely outcome is Macron Part Deux, but the extreme right is still a (remote) possibility; the EPP right (Bertrand or Pécresse or Barnier) also a possibility.

Also important are the parliamentary elections that will follow in June: since the beginning of the century, voters have tended to give the newly elected president an absolute majority of seats (FPTP system), but the electorate may go off script.

Today, polls show Macron ahead, followed by Le Pen, Zemmour and Bertrand. For what it's worth, according to the polls taken five years ago, in October 2016, Alain Juppé was leading by a wide margin, far ahead of Macron or Le Pen; he didn't make it through the primaries set up by his LR (EPP) party. Oh, the October 2016 polls were also predicting US President Hillary Clinton...