<ul><li>GPT is required for booting Windows in UEFI mode, while MBR is needed for older Windows versions in BIOS mode.</li><li>You can determine if a disk uses GPT or MBR in Windows using Disk Management utility by checking the Partition style in Properties.</li><li>Another way is to use Command Prompt by entering 'disk part' and 'list disk'. An asterisk(*) under GPT column indicates GPT disk.</li><li>PowerShell can also be used to check partition style. To convert MBR to GPT on Windows, follow a detailed guide when errors occur during clean installation.</li></ul>

How to Check If a Disk Drive is GPT or MBR in Windows 10/11

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