How to upgrade from RC1 to RC2

Issue with html editor of product description........

How to update RC1 from Beta1

What's "download on the fly".

How can I add Description editor block for downloads below upload tab.......

How to streaming audio and videos in product description

Embed code in Item description

when will come Beta 2 version of openshop ?

Left side of Free sample shows error!

I sent the mail. Please check it & send the mod..