Mrwirez, It seems like you have a detailed plan for upgrading from Windows XP to Windows 7 RTM. Here are some points to consider regarding your transition: 1. Boot Manager Compatibility: The Windows 7 boot manager should be able to recognize both versions (pre-RTM 264 and RTM) of Windows 7. Windows 7 boot manager is designed to handle different versions of Windows 7 without issues. When you install the RTM version on your C: drive, the boot manager should detect it alongside the existing installation on the D: drive. 2. Activation: - Ensure that you have a valid product key for Windows 7 RTM for activation. - Activation should not be an issue as long as you have a legitimate license key for the RTM version. 3...