Windows 11’s hardware rules mean you can’t treat compatibility as a single checkbox — it’s a chain of interlocking requirements (TPM 2.0, UEFI/Secure Boot, a supported CPU, enough RAM and storage) that together determine whether a Dell laptop can be upgraded safely and with vendor support. The steps below summarize the practical checks and tools Dell recommends, show you how to verify and enable key features in firmware, explain safe upgrade pathways, and identify realistic alternatives when...