Formatting harddisk on fresh windows installation

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When you are installing a new window on a pc sometime you need to format that disk to install new window.
So the post is about that installation
1 make a bootable window disk or usb.
2 restart your pc and boot from that disk.
3. Then when you select the partition on which you want to install windows select it and there is a drive option below select it and format it.

Hola! You have done formatting now install a fresh window

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sometimes you need to know about GPT and MBR format. some issue cannot install on GPT format, you need to convert GPT to MBR format.