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
Features new to Windows Vista for Windows Vista was developed with the SDL methodology, and all existing code was reviewed and refactored to improve security. Some of the most significant and most discussed security features included with Windows Vista include User Account Control, Kernel Patch Protection, BitLocker Drive Encryption, Mandatory Integrity Control, Digital Rights Management, TCP/IP stack security improvements, Address Space Layout Randomization and Encrypting File System and cryptography improvements. Additionally, Windows Vista includes a range of parental controls, which give owners of a computer a set of tools to limit what other accounts on a computer can do, and an improved Windows Firewall which