Quote: "Ever since Windows Vista launched in 2007, the minimum hardware requirements for Windows have remained mostly unchanged (Windows 7 slightly increased the required storage footprint from 15GB of HDD space to 16GB). Now, Windows 10’s Anniversary Update, which drops in roughly two months, will make three significant change for the first time in seven years."
For end consumers, TPM is behind the scenes but still very relevant for Hello, Passport and in the future, many other key features in Windows 10. It offers the best Passport experience, helps encrypt passwords, secures streaming high quality 4K content and builds on our overall Windows 10 experience story for security as a critical pillar. Using Windows on a system with a TPM enables a deeper and broader level of security coverage.
The capability underlines certain biometric security authentication procedures in Windows 10 and helps ensure that media playback on W10 devices is secured and can’t be pirated as easily. UEFI options to disable the TPM are not required.
Yet they're not making the two most important changes in Windows 10: Removing mandatory updates, and killing 32 bit.