You have to be the topic owner.
Scroll down a bit then on the left hand side look for lock topic link. Click it then follow the on screen instructions.
Scroll down a bit then on the left hand side look for lock topic link. Click it then follow the on screen instructions.
And what if someone else somehow locked my topic? And the forum admins are unresponsive when kindly asking for how it happened or a reason why? If anyone cares, I'll share more info/details here...