Alt-Tab is a built-in OS function and hence, you cannot disable it per se, unless you modify the registry. But, as an easier alternative, you can remap/rebind the key while in the game. In this post, ...

The Home screen provides easy access to all apps and services in smartphones and tablets. This is made possible given that system services and downloaded apps typically have shortcut icons displayed ...

Shortcuts are a convenient solution for quick access to folders you use frequently, but if you've gone overboard or installed a lot of new programs recently, your desktop can quickly become cluttered.