Criticism of Windows Vista including Photoshop and WinRAR, also performed worse under Vista. Many low-to-mid-end machines that come with Windows Vista pre-installed suffer from exceptionally slow performance with the default Vista settings that come pre-loaded, and laptop manufacturers have offered to "downgrade" laptops to Windows XP—for a price. However, this "price" is unnecessary, as Microsoft allows users of Windows Vista and Windows 7 to freely "downgrade" their software by installing XP and then phoning a Microsoft representative for a new product key. When first released in November 2006, Vista performed file operations such as copying and deletion more slowly than other operating systems. Large
Windows Vista built-in Windows Disk Defragmenter makes sure that those applications are strategically positioned on the hard disk where they can be loaded into memory very quickly with the least amount of physical movement of the hard disk's read-write heads. As part of the redesign of the networking architecture, IPv6 has been fully incorporated into the operating system and a number of performance improvements have been introduced, such as TCP window scaling. Earlier versions of Windows typically needed third-party wireless networking software to work properly, but this is not the case with Vista, which includes more comprehensive wireless networking support. For graphics,