It is magic! Thank you so much!!

Hi guys!
This is my first question in the forum.
I installed Sketchup version 2013 on a Macbook 10.6.8. I tried to add some plugin in Preferences / Extensions / Install Extensions, but nothing appear in the panel that remains empty. But if I open directly the files rbz I can see all them. Is this a problem someone else saw ?

Thank you.
I hope to explained well enough.

Nicmask

Thanks!!

Hy everyone, I'm new. This community is very great and, either if I'm an intermediate user, I hope to have and give help, when possible.

Thanks!