Wa `alaykum As-Salamu wa Rahmatullahi wa Barakatuh.
In the Name of Allah, Most Gracious, Most Merciful.
All praise and thanks are due to Allah, and peace and blessings be upon His Messenger.
Dear questioner, we would like to thank you for the great confidence you place in us, and we implore Allah Almighty to help us serve His cause and render our work for His sake.
Islam, as a divine religion, pays great attention to the importance of conviction for those who embrace it. Therefore, it lays down the principle that there is no compulsion in religion.
Moreover, it is incorrect to say that everyone who leaves Islam is automatically killed. Thus, if an apostate causes no harm to the Muslim community and does not call for spreading hostility towards Islam, he is not to be punished, rather he is to be advised kindly and wisely to let him know the true image of Islam.
In his response to your question, Sheikh Ahmad Kutty, a senior lecturer and Islamic scholar at the Islamic Institute of Toronto, Ontario, Canada, states:
Excerpted, with slight modifications, from: Was Islam Spread at the Point of Sword?