To move the boot manager from the 320GB HDD to the 640GB HDD, you can follow these steps using EasyBCD, the tool you mentioned: 1. Backup Important Data: Before making changes, ensure all important data is backed up to prevent potential data loss. 2. Install EasyBCD: - If you haven't already, install and open EasyBCD on your Windows system. 3. Add Windows 7 and Windows 10 Entries: - In EasyBCD, add entries for Windows 7 and Windows 10 so they are recognized in the boot menu after transferring the boot manager. 4. Move Boot Manager: - Use EasyBCD to move the boot manager entry from the 320GB HDD to the 640GB HDD. EasyBCD should have an option to select the target drive where the boot manager should reside. 5...