Citra theme help

Issue: i cant access theme change in config… please help… i tried download citra much times but i cant change to the dark theme .

System Information
Operating System:Windows 10
Cpu:Processor AMD FX™-4320 Quad-Core.4GHz
Citra version :Canary 1439

In order for us to provide better support, we need to see the log generated by Citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File.