Going from Trial to Developer edition

My trial is about to end and I have purchased the developer edition disks

When the trial expires is there the opportunity to just enter the product key
or do I need to install. If so, the trial programs are under my C:\Program Files\Microsoft SQL Server folder. Can I just use another folder for the developer software or will I need to do some backup and overwrite
Thanks for any help

You can do either

1. Install SQL DEV side by side with Trial version, which is supported.

2. Transfer all data in Trial version to SQL DEV.

3. Uninstall Trial version when SQL DEV's behavior is stable.

Or

Upgrade Trial version to SQL DEV directly. Make sure you select to upgrade under UI and choose the same instance name.

Before you perform any major operation, please back up your database.

|||Thanks. In the end i backed up, upgraded over and then reattached data
Seems to be working fine