Question: How to remove a link from a bike chain.
Options:
Locate the link in your bike chain which looks different from the others.  Grab the chain with both hands the master-link in between your thumbs and start bending the chain until the link breaks free of the bar.
Pick any link in your bike chain, this is the master-link.  Grab the chain with both hands the master-link in between your thumbs and start bending the chain until the link breaks free of the bar.
Answer: Locate the link in your bike chain which looks different from the others.  Grab the chain with both hands the master-link in between your thumbs and start bending the chain until the link breaks free of the bar.