It contains Word, Excel, Powerpoint, Outlook, Onenote, Onedrive, Skype for business, Publisher and Access. This product is for 1 windows PC (Not for Mac). Activation key and direct download link shall be sent to email address. Do mention your mail address before purchasing. CD/DVD not included. This product cannot be reinstalled after uninstall/format. As long as you don't uninstall/format, this product will work for lifetime. The key must be activated within 5 days from the date of receive. Otherwise, it's self activation time will expire. In such case No refund/replace will be provided .