Have you noticed that in Windows 10 the Alt + Tab dialog is updated and has become far more visually richer? Now it respects the actual window proportions for showing thumbnails when you switch between windows. The opened windows are scaled depending on how many windows you have open. It is an improvement in my opinion over the Alt + Tab dialog of Windows 8 or Windows 7.
To see the updated Alt + Tab dialog of Windows 10 in action, let's open three apps with different window sizes:Now let's press Alt + Tab shortcut keys on the keyboard to open the window switcher dialog. Notice how it sizes each window differently and proportionally:The same window scaling mechanism is supported by the Task View which is the multiple desktops feature of Windows 10. When you press Win + Tab shortcut keys, it will show similar window thumbnails:This change should allow the user to find the desired application quickly. Note there is a way to make this UI persistent so it doesn't disappear when you let go of the Alt key. See the following article: Two secrets of Alt + Tab dialog in Windows 10 you might not be aware of. Or for those who do not like the stock Windows Alt+Tab user interface at all, there is always VistaSwitcher.
Tell us your impressions about the updated Alt + Tab dialog in Windows 10. Do you like it or do you prefer the older simpler Alt+Tab window switching interface?