Problem in win10 install

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Occasional Visitor
When I install win10 I find MBR to GPT disk problem when I ask for solution ( shift+f10) it's format the disk
Please help me install it without disk format
Thanks
Ahmed
1 Reply
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How are you trying to install Windows 10?

Are you trying to do a clean install by booting from a bootable USB drive or by upgrading from a previous version of Windows?