For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
itch.io - An online game marketplace and community.
Dropbox - Online Sync and File Sharing
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
Google Drive - Access and sync your files anywhere
Ubisoft Club - Ubisoft Club app enables you to get updates about your favorite games timely.
Mega - Secure File Storage and collaboration