sudo blkid
-----------
/dev/sda1: LABEL="Windows RE tools" UUID="78D2BCD6D2BC9A38" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="c96d2102-fa05-4c55-9c0e-f86ee8c14b81"
/dev/sda2: SEC_TYPE="msdos" UUID="C098-8C05" TYPE="vfat" PARTLABEL="EFI system partition" PARTUUID="c8c132bb-103a-4327-a5cb-ac25c65a054c"
/dev/sda3: PARTLABEL="Microsoft reserved partition" PARTUUID="bca25a44-fe26-4434-8273-ed768f01eb79"
/dev/sda4: LABEL="Windows" UUID="BACEC172CEC12809" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="d6860f55-72b0-4b58-b259-6c862c254a3d"
/dev/sda5: UUID="E0E6E8D9E6E8B148" TYPE="ntfs" PARTUUID="91089f8b-e2b2-43e3-8f6f-03a641c6c5ad"
/dev/sda6: UUID="c6cd3813-1d8b-408c-aad7-d3288ca47842" TYPE="ext4" PARTLABEL="Arch System" PARTUUID="7586a030-f47a-4d83-bb30-9fea38e3b84e"
/dev/sda7: UUID="355b4852-fef5-43d4-ba89-3e2abbbf70fd" TYPE="ext4" PARTLABEL="Arch Home Files" PARTUUID="a2c63ce6-396c-4a49-a9b1-5c7aecfa78af"
/dev/sda9: LABEL="Recovery Image" UUID="365CC2D15CC28B57" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="f1918614-2b8f-4d46-9882-e576a0c70380"
/dev/sda10: UUID="9826dee8-faf0-400a-8cd1-4dd34ff62c56" TYPE="swap" PARTUUID="d8563d1b-ebf8-44ad-a794-f7c41cde8eb8"

Windows Entry
--------------
menuentry 'Windows 10' --class windows --class os $menuentry_id_option 'osprober-efi-1d203556-2802-481e-b06f-9ecaf9f74de0' {
	insmod part_gpt
	insmod fat
	set root='hd0,gpt2'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt2 --hint-efi=hd0,gpt1 --hint-baremetal=ahci0,gpt1  1d203556-2802-481e-b06f-9ecaf9f74de0
	else
	  search --no-floppy --fs-uuid --set=root 1d203556-2802-481e-b06f-9ecaf9f74de0
	fi
	chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}