Installing Windows from scratch - a complete guide with disk partitioning for dual and triple boot
In this video, I'll show you how to install Windows from scratch and correctly manage disk partitioning to configure a system in multi-boot mode (trial boot).
This procedure is useful if you want to run multiple operating systems on the same computer (for example, Windows + Kali Linux + Parrot OS), without sacrificing any features and keeping everything organized.
If you're thinking of reinstalling Windows, fixing your disk, or adding another operating system alongside those already installed, this tutorial will guide you step by step.
🛠️ WHAT YOU'LL LEARN
How to start the Windows installation from a bootable USB.
Differences between a "clean" installation and an upgrade.
How to access the disk partitioning menu during installation.
Creating, deleting, and formatting partitions.
Managing disk space in dual boot and trial boot.
Where to install Windows to avoid overwriting other systems.
Configuring the bootloader and controlling boot options.
🔎 WHAT IS TRIAL BOOT?
Trial boot (or triple boot) is a configuration that allows you to have three different operating systems on the same computer, choosing which one to boot each time.
A typical example:
Partition 1 → Windows
Partition 2 → Parrot OS
Partition 3 → Kali Linux
This solution is very useful for those working in cybersecurity, testing, software development, or education, as it allows you to have different environments on a single machine.
📦 TOOLS USED
Bootable USB stick with Windows
PC with properly configured BIOS/UEFI
Hard disk or SSD with sufficient space (at least 250GB total recommended for 3 systems)
Basic knowledge of partitions and care when selecting the disk
🚀 IMPORTANT TIPS
Backup: Always back up your data before touching your disks.
Order: Always install Windows first, then Linux/Parrot, so the Linux bootloader will recognize Windows.
Dedicated partitions: Assign a separate space for each OS (e.g., 100GB Windows, 100GB Kali, 100GB Parrot).
EFI System Partition: For modern systems with UEFI, it's essential to leave the EFI system partition.
If you make mistakes, you could delete important data → it's best to stop for a moment and double-check the steps.
📚 USEFUL RESOURCES
👉 Previous video: Installing Windows on USB • Scaricare Windows 10 / 11 e Creare una USB...
👉 Complete Cybersecurity Course Playlist: • 🔒💻 Corso Cybersecurity Completo 🔒💻 | Impar...
👉 Official Microsoft Documentation: https://www.microsoft.com/software-do...
👉 Additional resources and PDFs on my website: https://digitaleconrob.it
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