How to upgrade 135 to 200

Yesturday cscart has lauched a new version of cscart 2.0, so i am now be cool to upgrade my website with the latest version :mrgreen:

Can someone tell me how to upgrade the existing version with new version. Where to find the upgrade file on helpdesk. I have only seen their 2.0 installation file.

I don’t think there is some new feature included on 2.0. But lets try.:roll: