If you mean installing a new language pack then you need administration permissions and then you can upload the language pack as you would need any plugin via the "manage add-ons" screen.
You should see an "upload new addon" link somewhere on the screen. Click the link to get a popup window then browse to your language pack location and upload it. You may need to manually enable the plugin also in the manage addons screen under installed plugins.
Thats it :)
Hello! My name is Genevieve Blanch, and I'm the Marketing Manager at RefinedWiki, creators of apps to give teams the tools to customize Atlassian platforms. Currently, 44% of the tech team at Re...
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