MERENG OS

Optimized Windows experience for every device type

MERENG OS Logo

About MERENGOS

MERENGOS is a modified, lightweight, and optimized version of Windows.
It is over three times lighter than the original Microsoft Windows.
It comes completely free of bloatware, without Microsoft Windows Defender, and without Microsoft Windows updates.
MERENG OS uses three times less CPU and RAM compared to standard Windows.

Merengos 10

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For x64 and low-end PC or modern

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Merengos 11

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Recommended for most users, low-end PC or modern

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YT Channel

Project Mereng OS

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Tweak Pack Optimizer

Download Tweak

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Old Version

Old Mereng OS

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MERENG OS vs Standard Windows

Feature MERENG OS Standard Windows
Boot Time Fast (10s-20s) Slow (30s)
RAM Usage Low (800MB) High (2-4GB)
Disk Usage 6-11 GB 20 GB+
Updates Optional Forced
Bloatware None Pre-installed apps

How to Install MERENG OS

  1. Download the ISO file using the button above.
  2. Use Rufus or Ventoy to create a bootable USB stick.
  3. Select the correct partition scheme (MBR or GPT) matching your BIOS settings.
  4. Reboot your PC and press F2 / F12 / ESC / DEL to open Boot Menu.
  5. Boot from USB and follow the installation steps.
  6. After installation, the system will start without setup clutter or bloatware.

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Discord Server

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Open Source

All scripts and tools used are open source and community-reviewed.

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