In order to upload license file you should proceed with the following steps:

1) On Administrative screen locate and click on “License Info” link (under “Issue Scheduler” group)

2) License Info screen gives you two options from which you can choose. You can either upload license file (legacy method) or enter license acquired from Atlassian Marketplace (preferred method). You can switch between this two methods using toggle button:

3) On the last screen you can upload license file

After this steps “License for” should presence your name and “License status” should provide you information about license expiration date.