You have it under FAQ inside Clixsense, you should read it like I wrote you, also read all topics with exclamation mark inside parts of forum Clixsense, Members Lounge, Support Center and your language (demographic) inside International part of the forum. You can also read any part of the forum with language you know too.
FAQ What are the tasks, how do they work?
If you don`t have Crowdflower account this is how you open it, because without it you can`t do tasks, always login to it, to be sure you`ll be paid after completing tasks.
Get set up on Crowdflower
Here are some topics with exclamation mark that might be helpful.
Understanding How the CheckList Bonus Works
How To Win in ClixGrid The Secret and Hint
TIPS & Rules when doing OFFERS
What are the Tasks and how do they work
Check forums and Clixsense read and you`ll find out many more important things. Every task is different so I cant give you exact description what you need to do, that is why instructions are at the beginning of every one, or there is topic on the forum about the particular task. I will gladly help and explain as much as I can, but you need to explore on your own as much as you can.
One more thing you can install ClixAddon
You can download it here
and install you`ll see it inside your browser (choose the browser you constantly use), its a pretty handy add-on to have. You`ll see. Good luck with everything.