A step-by-step guide for beginners who want a gaming PC and a real enterprise Linux environment on the same machine — with every decision explained in plain English. Table of Contents What Is Dual-Booting and Why Rocky Linux? Key Concepts You Must Understand First UEFI, BIOS, and Secure Boot Partitions, File Systems, and GPT The GRUB Bootloader Before You Begin — Checklist Phase 1 — Shrink Your Windows Partition Phase 2 — Download & Flash Rocky Linux Phase 3 — Configure the HP BIOS Phase 4 — Boot the Rocky Linux Installer Phase 5 — Anaconda Installer Walkthrough Phase 6 — First Boot & the GRUB Menu Phase 7 — Post-Install DevOps Setup Troubleshooting Common Problems 1. What Is Dual-Booting and Why Rocky Linux? Dual-booting means installing two separate operating systems on the same physical computer, each living in its own isolated section of the hard drive called a partition .…