Stores were I buy, HB, Steam and GoG are known...
https://www.humblebundle.com/store
https://store.steampowered.com/
https://www.gog.com/
These two sometimes have Good Deals, and are legit...
https://www.greenmangaming.com/
https://www.fanatical.com/
This one is for Latam , completely legit!...
https://www.nuuvem.com/