You click on the quest icon (the blue circle), and choose a quest - preferably an easy one (you can sort them by difficulty). Click on the quest and check the instructions, on where to get started. This involves talking with an NPC ("non-player character"). Then follow the instructions. Click on the quest icon and on the specific quest again at any time to see what you are supposed to do.
you can dum noobs you have to do a quest first -.-
It's currently not possible to undo a quest in RuneScape.
The legends quest on runescape is not gone, I suggest that you check again.
There probably won't be another special quest for quite some time. The first special quest, A Recipe for Disaster, was released in honor of their 100th quest.
A quest on Runescape is an adventure that puts you in a conflict, you solve it and you get rewards like money, skill experience points, quest points, and items.
If you quit runescape...
The quest is called "The Chosen Commander".
The quest Swept Away was released in RuneScape at the same time as the Halloween event in 2008.
There are many websites where one can get advice on completing a Runescape quest. The Runescape website itself offers advice as does the website Tip.It.
The quest is Wolf Whistle and you can buy a dog at the store in Taverly after the quest.
You have to do the quest "Shield of Arav" for help on the quest go to Tip.it it's a website that i use most for runescape quest guides, skill calculators, ect.
By following all the requirements for the quest or you can go on a runescape help site. Here's one: www.runehq.com