Go to the website www.my-vacationclub.com. Sign in and you will be redirected to your Marriott Vacation Club homepage. On the right hand side of the page is a column labeled "Account Information". Click on the "Check Availability" tab and you will be redirected to a page with the weeks you own. Click the tab under "Usage Selection" next to the 2011 year on the unit owned that you want to trade for points. You will be redirected to a page that lets you choose to occupy, choose to have Marriott trade to Interval for you, choose a week that you can trade to Interval, or trade for points. Click the trade for points and follow the process. Hope this helps.