How do I update from an older version of Armoury Crate (before v2.3.5)?
First, uninstall your previous version of Armoury Crate (v1.4.1 or v2.1.9), ensuring all previous instances are completely removed. Then download the Armoury Crate installer (SetupROGLSLService.exe) from https://www.asus.com/support/ and double left-click the installer to begin the installation process. (Page 3)
From the official ASUS Armoury Crate manual, page 3
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