From today, until November 25th, Victoria 3 is free to play on Steam. Grab a friend and try out the range of changes in the new 1.8 Update now! Look through the changelog here!
But, that is not all!
The game and selected content is on sale for up to 50% off, until the 27th, including Sphere of Influence at 20% off!
Victoria 3
https://store.steampowered.com/app/529340/Victoria_3/
Victoria 3: Expansion Pass
https://store.steampowered.com/bundle/32180/Victoria_3_Expansion_Pass/
