Winaero Tweaker is an an all-in-one customization utility that helps you to tweak Windows in just a few simple clicks. The program includes tweaks for every version of operating system from Windows 7 to Windows 11. Winaero Tweaker automatically detects the version of Windows OS you’re running and shows tweaks and customization options accordingly. The software can be installed as a portable app so you can take it with you as you move from one computer to another.
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Here's a partial features list:​
- Information - View information about your PC hardware and OS.​
- Aero Colors - Change all Windows Aero settings including those which can't be changed with Control Panel.​
- Aero Lite - Activate the hidden Aero Lite theme.​
- Alt+Tab Appearance - Change hidden secret options of the Alt+Tab dialog.​
- Colored Title Bars - Enable colors for window title bars in Windows 10.​
- Dark Color Scheme - Here you can enable the dark color scheme for Windows 10 system settings and apps.​
- Inactive Title Bars Color - Change the color of inactive title bars in Windows 10.​
- Disable Aero Shake - Disable or enable the Aero Shake feature.​
- Disable Driver Updates - Turn off driver updates in Windows Update.​
- Disable Web Search - Disable Web Search in taskbar and Cortana in Windows 10.​
- Disable Action Center - Disable or enable the Action Center feature in Windows 10.​
- Disable Live Tiles - Disable Live Tiles all at once for Universal(Metro) apps.​
- Activate Windows Photo Viewer - Activate Windows Photo Viewer in Windows 10.​
- Auto-update Store apps - Disable or enable auto-update of Store apps in Windows 10.​
- Disable Cortana - Disable Cortana in Windows 10.​
- Disable Windows Defender - Disable Windows Defender in Windows 10.​
- Microsoft Edge Download Folder - Change the default download folder in Microsoft Edge.​
- Stop Unwanted Apps - Stop unwanted apps Windows installs automatically.​
- Windows Defender Tray Icon - Show or hide Windows Defender tray icon.​
- App Switcher Hover Timeout - Change the App Switcher hover timeout delay.​
- Charms Bar Hover Timeout - Change the Charms Bar hover timeout delay.​
- Modern App Closing Options - Speed up closing time of Metro apps for mouse and touch.​
- Start Screen Power Button - Show or hide the Power button on the Start screen.​
- Disable Telemetry - Prevent Windows 10 from spying on you.​
... and many more.​

Winaero Tweaker 16.4 Key Changes

This release focuses on usability, HiDPI support, and removing broken or outdated tweaks, while maintaining compatibility with recent Windows 11 updates.

New Features;

- Disable Recommended in Start: Users can now turn off the Recommended section in the Windows 11 Start menu.
- Remove “Ask Copilot”: Added an option to remove the Ask Copilot context menu via Context Menu > Remove Default Entries.
- Custom Drive Icons: Users can set custom icons for any drive letter and define a new default icon for hard drives.
- Dark Theme Support: Winaero Tweaker now supports dark mode on Windows 10/11 and selectable themes on Windows 7/8.
- Font & Icon Scaling: Fixed font scaling for HiDPI screens and added a manual font size option; left-panel icons now appear crisp.
- Fixes & Improvements
- Correct reporting and functionality for Disable Defender, Disable Copilot, and Tamper Protection toggles.
- Resolved multiple registry-related and UI bugs, including Inactive Titlebar Color, Disable Lock Screen, and XMouse options.
- Updated File Explorer tweaks: hiding Home folder, disabling Ribbon, and fixing desktop context menu options (Copilot, Snipping Tool, Settings).
- Removed obsolete tweaks that no longer work on Windows 11 24H2/25H2, including Cortana-related options.
- Known Issues / Upcoming Changes
- Some toolbar and info page icons still appear blurry.
- “Disable Windows Update” page will soon allow method selection.
- Classic taskbar customization is largely unsupported in Windows 11 25H2+, pending possible future fixes.

Official - https://winaero.com/winaero-tweaker/#download