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Goto windows disk managment
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Select the largest partition and shrink it to the size you want for your Cachyos install
- Insert cachyos USB into the ally
- Hold left volume button down to enter bios and change first boot option to your Cachyos USB
- Disable secure boot
- Save and exit bios
- Boot into the ISO and click the Launch Installer button
- Set your preferred Language and Region/Timezone.
- Configure your Keyboard Layout.
- Select Manual partitioning.
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Create a new partition with the following:
- Size: 2048MiB
- Filesystem: FAT32
- Mount point: /boot
- Flags: boot
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Create another partition for root:
- Size: At least 20000MiB
- Filesystem: btrfs
- Mount point: /
- Flags:
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This partition is your main one so set it to use all the remaining space Double check that Install boot loader on: is pointing to /boot ie select the new fat 2048 MB partition you created
Reboot to select windows or cachyos hold down volume up button during boot and use dpad and A button to select windows boot manager or Cachyos
Enjoy!