请用英语说 "请关上窗户然后打开电脑"：

"Please close the window and then turn on the computer."

来源：这是一句通俗的英语表达，用于描述执行两个动作的顺序。

一些相关的英文例句：

Could you please shut the door and sit down? (请关门坐下)
Please turn off the pghts and go to bed. (请关灯睡觉)
Could you please lock the door and turn off the alarm? (请锁门关报警器)

注意：在说请求时，通常使用 "could you please" 或 "would you mind"，表示礼貌地询问。