How i can update citra?

i want to update my version of citra

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

What Citra version are you on? Citra should prompt you to update upon launch if you installed via the installer on our website. If that isn’t the case, you may have downloaded a manual build. In which case you can simply download the latest build manually, then overwrite your current Citra installation.