1. Video dual boot install Windows XP and Windows XP
Download demoinstall.wmv (demoinstall.zip). The quality is not the best but you see all required steps. I hope it's useful.
2. Windows XP and Windows Vista dual boot with hidden (cleared) partitions
The goal is to install Windows XP on the first partition and Windows Vista on the second partition. I want that no windows has access to the partition of the other Windows. There should be a third partition that will be used as shared partition. Both Windows have access to this partition.
There are many ways to do this. I will describe one way.
It works only with the MBR installation!
What should be the result
Install Windows XP
Install the boot manager
Configure the Windows XP profile
Configure the Windows Vista profile
Install Window Vista
Now you should have two bootable Windows on your hard disk and they don't know from each other. You can share data between both with the shared partition.
Windows Vista on the second hard disk
It's similar to the previous description, if you want to install Windows XP on the first hard disk and Windows Vista on the second hard disk. The second hard disk is HDB in the boot manager. So install Windows Vista to the first partition of the second hard disk. Set in the vista profile/linked partitions the first slot of HDB to HDB1 and press b. The boot manager will set the boot flag to 81h. This should be ok for your installation.
3. Dualboot Windows XP and Windows 7
Here are short instructions for a complete new installation of your pc with dualbooting WinXP and Win7. It doesn't matter if you use 32 or 64 bit versions. Take care, all data on your pc will be deleted!
Boot the Win7 install DVD. Remove all partitions from the hard disk. Create a partition for Win7. The install program will create 2 partitions. One with about 80MB for the Win7 boot files and a second partition with the Win7 files. Create an additional partition for WinXP. Now you see 3 partitions. Install Win7 to the second partition. After the Win7 installation is complete, install the Plop Boot Manager. After the Boot Manager installation go to the Boot Manager Setup, then Profiles, then "OS HARDDISK 1". Change the name to "Win7". Go to linked partitions and press enter on the first position of HDA and select HDA1, on the second select HDA2 and on the third press "c" for cleared. Now leave the profile settings for Win7. Use now an empty profile to create the WinXP profile. Give it the name WinXP, visible in main menu "yes". In linked partitions select for HDA on the first position HDA3, press "b" to set the boot flag on the first position. On the second press "c" to set it cleared. On the third press "c" to set it to cleared too. Go to the main menu and press enter on WinXP. You will be not able to boot this partition because XP is not installed currently. If you get the message about invalid boot signature, then press "n" to abort. Now boot the WinXP install CD. You should see now only one partition. Install WinXP there. After the installation completed then start the Plop Boot Manager install CD and use "Rewrite loader". Reboot, the boot manager will tell you about partition changes. Press "y" to import the new values. Now you should be able to boot both systems.
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