If you are looking for a tool that allows you to record your screen without any watermarks, RecordJoy is a simple free tool that will solve your problem.
To use RecordJoy, simply go to www.recordjoy.com.
You can start recording you screen by pressing the Start Recording button. You also have the option of enabling audio or your webcam.
You'll then be asked whether you want to share your entire screen, or just a window or tab.
When you are done recording, go back to RecordJoy and hit Stop Recording.
You can then upload your recording to generate a share link or download it locally.
There you have it! An easy tool to record your screen without any watermarks.