I remember reading somewhere that as opposed to the former versions of Windows - more than 4 can be created, but I can't seem to find it on the web now. Is this true?
Answer
Strictly speaking, Windows only ever allows 4 primary partitions, because the phrase "primary partition" is only applicable to MBR partition tables and MBR partition tables only allow four primary partitions.
However, if you use a GPT partition table (available since Windows Server 2003 on 64-bit versions of Windows) you can have up to 128 partitions and do not need to distinguish between "primary" and "extended" partitions.
Depending on your computer model, you might not have the option of using a GPT partition table on your boot disk, because Windows only has native support for booting GPT disks via UEFI, not via BIOS.
What changed with Windows 8 is that computers sold with Windows 8 must (in order to be certified) support UEFI booting. They must also ship configured to UEFI boot; as a consequence of this they must be shipped with GPT partition tables.
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