1. You need to klik on the button to start the program.
你需要点击按钮来启动程序。

2. Please klik on the checkbox if you agree to the terms and conditions.
如果你同意这些条款和条件，请点击复选框。

3. To open the link, simply klik on it with your mouse.
要打开链接，只需用鼠标点击它即可。