TPM 2.0 and InstantGo support is required when you want to automatically encrypt the local drive when joining a device to Azure Active Directory (AAD). BitLocker can be used on devices without TPM, but you will need to save a startup key on a removable device such as a USB flash drive.
Below are some additional details regarding requirements for key features: For specific hardware support please refer to your Original Equipment Manufacturer (OEM).
In some cases, features included with updated versions of Windows 10 will be best experienced with newer processors. In addition to the requirements above that are needed to run Windows, some features have additional requirements.