If you have unpartitioned space or other primary partition then follow this steps :-\n\n1) Right click: My Computer icon > Select: Manage > Choose: Disk Manager\n\n2) If you have any other primary partions then delete them (Take back up of your data from that partion)\n\n3) Right click on "Unallocated Space" Area then select Create New Partition\n\n4) You will be provided options for Primary or Extended partition.\n\n5) Choose Extended then follow the instructions.\n\nIf you have only one Primary partion and do not have Unpartitioned space then Install Power Quest Partition Magic. You can easily Resize your primary partion and then create Extended and logical partion in Unallocated space.\n\nBest Luck