Most repositories provide one of three file types:

GitHub has become a central hub for sharing automation scripts and curated lists of Windows 10 registry modifications. These "tweaks" are changes to the Windows Registry—a low-level database of system settings—that can alter the operating system's behavior, improve privacy, remove bloatware, enhance performance, or customize the user interface. The most popular repositories on this topic prioritize (showing exactly what each tweak does), automation (via .reg files or PowerShell), and reversibility (providing undo scripts).

Sycnex/Windows10Debloater (Note: This is a famous fork) Stars: ~18k (Massive)

If you are still relying on manual registry edits or clunky third-party "optimizers" to fine-tune your Windows 10 machine, you are doing it the hard way.

The following categories represent the most common registry modifications found in highly-starred repositories like tcja/Windows-10-tweaks and ehsan18t/Win10-Ultimate-System-Tweaks : :

: Specifically targets gamers by applying registry changes to reduce DPC latency, disable CPU core parking, and optimize memory caching.