How to create a Dual-Boot System with Windows 11 and Linux (Ubuntu) Safely

Configurare noua (How To)

Situatie

Dual-booting lets you run both Windows and Linux on the same machine without virtualization.

Requirements:

  • At least 30 GB free disk space

  • USB flash drive (8 GB+)

  • Backup of important files (very important).

Solutie

  1. Disable Fast Startup and BitLocker

    • Control Panel → Power Options → Disable Fast Startup

    • Turn off BitLocker if enabled (Linux can’t read encrypted partitions)

  2. Shrink the Windows partition

    • Right-click Start → Disk Management

    • Shrink your main partition to free space for Linux

    • Leave the space unallocated

  3. Create a bootable Linux USB

    • Download Ubuntu ISO

    • Use Rufus → GPT + UEFI mode

  4. Boot from USB

    • Enter BIOS/UEFI (F2, F12, DEL depending on system)

    • Choose the USB drive

  5. Install Linux

    • Choose Install alongside Windows

    • Assign partitions automatically (recommended)

  6. Install GRUB bootloader

    • This allows choosing OS at startup

  7. Restart and test

    • Confirm both OS boot correctly

 Result: clean dual-boot system with full performance.

Tip solutie

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