If you have problem with your current running windows 7 in your system and want to repair or reinstall windows then you need windows 7 product key or serial key. Đang xem: Windows 7 ultimate product key (updated 2021) latest 32. Windows 7 Ultimate Free Download here (Trial Version). Note: If these keys don’t work, you can use Microsoft Toolkit to activate Windows 7 Ultimate 32 bit. To know more you visit here. Note: If these keys don’t work, you can use Windows Loader v2.2.2 to activate Windows 7 Ultimate 64 bit. You can watch this video to know how to use Windows Loader v2.2.2. You copy and paste the key as below image:. I hope you will find the right Windows 7 ultimate serial keys for your computer. If you want to install Windows 7 on your pc, your pc has minimum requirements :. CPU: 1GHzRAM: 1GBGraphics card: 128MBHDD: 16GB. Support for themes has been extended in Windows 7. In addition to providing options to customize colors of window chrome and other aspects of the interface including the desktop background, icons, mouse cursors, and sound schemes, the operating system also includes a native desktop slideshow feature. A new theme pack extension has been introduced, .themepack, which is essentially a collection of cabinet files that consist of theme resources including background images, color preferences, desktop icons, mouse cursors, and sound schemes.The new theme extension simplifies sharing of themes and can also display desktop wallpapers via RSS feeds provided by the Windows RSS Platform. Microsoft provides additional themes for free through its website. 2.Desktop Slideshow. Windows 7 introduces a desktop slideshow feature that periodically changes the desktop wallpaper based on a user-defined interval; the change is accompanied by a smooth fade transition with a duration that can be customized via the Windows Registry.The desktop slideshow feature supports local images and images obtained via RSS.