install or upgrade?

[flipaaaaa]

Hello, I have sweethome version 2.1 and I want the new version 2.2. I want to know, that I have install the new version, or exist a upgrade?
Thank´s
Sorry my english is not very well.

[Puybaret]

How did you install Sweet Home 3D 2.1?
With Java Web Start or with its installer?
In both cases, don't worry you won't loose the furniture and textures you imported.

[jb43]

I bought Sweethome3D some time ago, for aprox"£12.50, I have re installed it a few times, It use to state in top left of page ( You own this ) ,now I can not find the page that I bought it from, and can not acces the 1,000 plud accessoties,