I have existing installation of SQL server 2008 r2 express. I need to add SSRS features to my installation. So I found this topic, whic says that I have to download SQLserver express with advanced services. Reporting Services availability SQL Server Express 2008 R2 I did download that packet, but here's a screenshot of what I got:
Which indicates that all features are installed and no way to add SSRS. What am I missing?
UPDATE
I selected existing installation on step two of the wizard. See screenshot below:
When I try to upgrade, to new version, there's what I've got: