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If you launch DisplayFusion from within Steam, it should update, but if not, you can also update by running our installer from our site. Once DisplayFusion has been installed through Steam, the installer from our site will work fine, while keeping the Steam license info and settings intact
Alternatively, you can enable automatic update checks on the Settings > Options tab, then click the "Check for Updates" button and you should get an update notification within DisplayFusion itself any time there's a new version.
Hope that helps!
