You bet your kilt she does! And as soon as possible. But she is concerned that Macbeth's morality will get in the way: "Thou'rt too full of the milk of human kindness to catch the nearest way." So when, in Act 1 Scene 7, he says "We shall proceed no further in this business." she gets furious at the prospect of not becoming the queen and uses every form of persuasion she knows how to get him to commit the murder so he can become king.
Lady Macbeth receives the idea that her husband should kill the king after reading a letter from Macbeth describing the witches' prophecy. The prophecy states that Macbeth will become king, leading Lady Macbeth to convince him to take action and seize the throne.
Of course she approved! It was HER plan, not his.
Lady Macbeth learns of her husband's exploits from Macbeth himself, when he writes her a letter detailing the witches' prophecy and his subsequent actions to become king. She also witnesses his growing ambition and desires for power, which further affirm his deeds.
She tells him that he has to die so MacBeth can become king.
The murder of the king.
Lady Macbeth effects Macbeth's actions by pushing him towards the murder. Initially, Macbeth was unsure of what he wanted to do. He stated that if he was meant to become king, it would happen naturally. Lady Macbeth caused him to change his mind and planned the murder of King Duncan.
She plans to kill Duncan in his sleep with the help of Macbeth, who she convinces.
Lady Macbeth devises a plan to kill King Duncan, to speed up her husband's ascension to the throne. Lady Macbeth fears that her husband is "to full of the milk of human kindness" to kill the king. She will see to it that the king's guards become so inebriated that they pass out, cannot guard the king, and cannot recall the events of the night. She will use their daggers to kill the king and smear his blood on them. This, though, is not quite what happens, because the king reminds Lady Macbeth of her father.
Lady Macbeth echoes the words of the witches when she says "All hail, Macbeth, that shalt be king hereafter!". This echoes the witches' prophecy that Macbeth will become king.
Lady Macbeth's initial reaction upon hearing that her husband was predicted to be king she doubted his strength of will. She would pray to the spirits to grant her the strength to be as cruel as she needed to be.
Macbeth did this to inform Lady M about what had happened so far.By this time,Macbeth was qualified for the throne,but it wasn't guaranteed for him to become king.
In the second part of Lady Macbeth's soliloquy, readers learn that she believes her husband is not ruthless enough to achieve his ambitions. She fears that he lacks the necessary drive and cruelty to take the action needed to become king. Lady Macbeth is determined to goad her husband into action and shape him into a more ruthless and ambitious leader.