| Metric | Stock Windows 11 | Ultra Lite ISO | |--------|------------------|----------------| | Boot time (cold) | 42 seconds | 16 seconds | | RAM usage after boot | 2.1 GB (52%) | 780 MB (19%) | | Background processes | 135 | 42 | | C: drive usage | 28 GB | 5.8 GB | | Disk IO (write avg) | 34 MB/sec | 12 MB/sec (less logging) | | Chrome launch time | 3.1 sec | 1.8 sec |
If you want a "lite" experience without the security risks of third-party ISOs, Microsoft offers an official version: Windows 11 IoT Enterprise LTSC A Lightweight Windows 11? - Nexus LiteOS 11
This article is for educational purposes only. Downloading and installing modified operating system images (custom ISOs) carries inherent security risks. Microsoft does not endorse non-official versions of Windows. Always backup your data and proceed at your own risk.
Windows 11 Ultra Lite ISOs deliver incredible performance on old hardware, but they come at the cost of security and stability. For most users, the smarter move is to install official Windows 11, remove bloatware via trusted scripts, and disable unnecessary services manually. Your system will still be fast—and more importantly—safe.
