This PC Tweaker is a Windows program designed to tweak the behavior and appearance of modern Microsoft operating systems. If you would like to be able to install custom themes on older OSs, you may try using the VistaGlazz tool.

Customization categories

The application features an intuitive graphical user interface. It lists all available tweaks in the left section of the main window. They are organized into the several categories:

appearance;
behavior;
boot and logon;
desktop and taskbar;
context menu;
settings and control panel;
and many others.

Thanks to the substantial amount of configurable settings you are able to adjust anything you want in your OS. Please note, all options can be reset to default values via the File menu. This is a convenient feature that makes it so you do not have to worry about irreversibility of modifications.

Visual tweaks

The program enables you to tweak various visual aspects of your operating system. For example, you can enable an Aero Lite theme and colored title bars. Moreover, the utility also helps you to adjust the horizontal and vertical spacing of icons.

System behavior

With this tool, you have the ability to stop the OS from automatically looking for applications in the Store when opening new files. You can also disable Windows and driver updates. What is more, you are able to set up a password at system startup. Additionally, it is possible to remove the ads and unwanted apps, as well as enable automatic registry backup.

Features

free to download and use;
compatible with modern Windows versions;
gives you the ability to modify OS appearance and behavior;
provides an extensive list of configurable settings;
can display detailed information about the operating system.