Unused pre-installed Windows apps (like Xbox services, Cortana, and pre-packaged games) are deleted.

Custom operating systems like those from Ankh Tech generally offer a specific set of modifications designed to maximize hardware efficiency:

Idle background processes are disabled, freeing up memory for gaming or heavy applications.

Many background tracking and data-collection services are turned off to save CPU and RAM usage.

What is the for your PC (e.g., gaming, office work, or reviving an old laptop)? What are your computer's hardware specs (CPU and RAM)?

Open the Task Manager (Ctrl + Shift + Esc), click the Startup apps tab, and disable unnecessary programs from launching when you turn on your PC.

Search for "Background apps" in your settings and toggle off permissions for apps you do not need running silently.

Windows 11 has a built-in Game Mode that prioritizes your system resources for gaming. Turn it on in Settings > Gaming > Game Mode .