Pro Tip: Make a Restore Point before running these apps!
Debloating & Privacy
TronScript - The most efficient and automated way to clean, De-bloat, optimize and disinfect your old PCs, recommended.
BE SURE TO READ THE INSTRUCTIONS!
AtlasOS - A modification of Windows designed to maximize your system's performance and optimize latency.
Full Re-install required.
privacy.sexy - Easily create a custom Debloating script made for your specific needs.
PrivateZilla & ThisIsWin11 - The simplest ways to perform a quick Privacy and Security check of your Windows 10 & 11 OS.
Sophia-Script - The largest PowerShell module for Windows 10 & 11 tuning.
WPD | WindowsSpyBlocker - Tools created to intercept your Network Traffic and block Tracking requests even before they get to Microsoft.
Optimizer - Portable Utility that helps you restore your Security and increase your Privacy.
Fix-Windows-Privacy - Deletes Telemetry Registry keys that may have been skipped by other Utilities.
NTLite | MSMG Toolkit | AME Wizard - Tools to customize your Windows ISO.
AutoRuns - See what programs are configured to startup automatically when your system boots.
BCUninstaller - A better Uninstaller than Windows's default one, really good for Bulk Uninstalling multiple apps at once.
BleachBit - A FOSS replacement for CCleaner which helps to effectively clean and uninstall apps.
Rufus | Ventoy - A tool to create bootable USB drives.
InstallWindowsWithoutUSB - A batch script to install Windows to a partition without a USB stick.
Disable hibernation to free as much space as your amount of RAM.
Note: You can also grab an ISO from Bob Pony here if you wish to reinstall Windows before running these apps.