How to Install CachyOS Dual Boot with Windows 11 in 2026

In this video, I will show you how to install CachyOS alongside Windows 11 using dual boot. This step-by-step tutorial covers everything from downloading the CachyOS ISO, creating a bootable USB using Rufus, partitioning your disk, installing CachyOS manually, and fixing the GRUB bootloader so Windows appears in the boot menu. CachyOS is a performance-optimized Arch-based Linux distribution designed for speed and gaming performance. If you want to try Linux while still keeping Windows 11 on your PC, dual booting is the best option. In this guide you will learn: • How to download the CachyOS ISO • How to create a bootable USB using Rufus • How to shrink a Windows partition safely • How to install CachyOS using manual partitioning • How to fix the EFI system partition is too small error • How to fix "No EFI system partition configured" issue • How to fix GRUB so Windows Boot Manager appears • How to successfully dual boot CachyOS and Windows 11 timeline : 0:00 getting started 0:27 creating a separate partition 1:27 creating a bootable drive 2:02 how to check partition scheme (GPT or MBR) 3:35 booting cachyos via USB 5:07 launching the installer 7:14 choosing the bootloader 8:00 using manual mode to install cachyos 10:52 first boot to cachyos 12:00 booting into advanced cachyos mode 13:12 enabling dual boot to windows via console commands 16:20 rebooting into windows 11 This tutorial works for laptops and desktop PCs. If you found this video helpful, make sure to like and subscribe for more Linux tutorials and tech content.