Steam Cloud is?
It is a database that stores data play (XP, Stat, Skill, Acheivement etc) the system (moust, K / B, sound, graphic) allows you to delete the game. For a new Windows Or to turn on the computer inlet steam machine. (Let’s say to a friends house) settings / information. These will go with you all.
How to setting Steam Cloud save within the game?
STEAM -> Settings:
Cloud -> Enable Steam Cloud synchronization for application