Right-click the installer → Properties → Digital Signatures. You should see “ZKTECO CO., LTD.” If it says “Unknown” or an individual’s name, delete it immediately.
For (often referenced as version 4.8.8 or 4.8.9 build), you can typically find the official installer and updates through ZKTeco's regional download centers. Download and Update Sources
Right-click the installer → Properties → Digital Signatures. You should see “ZKTECO CO., LTD.” If it says “Unknown” or an individual’s name, delete it immediately.
For (often referenced as version 4.8.8 or 4.8.9 build), you can typically find the official installer and updates through ZKTeco's regional download centers. Download and Update Sources
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