Windows 11 has stricter hardware compatibility requirements than its predecessor, the first time that’s been true since the 2006 release of Windows Vista. And these requirements artificially limit which PCs can be upgraded from Windows 10.
Additionally, certain Windows 11 features require additional hardware capabilities. This, at least, is reasonable.
To upgrade to Windows 11, your PC must include:
A compatible microprocessor. Windows 11 requires a 64-bit 1 GHz or faster microprocessor or a System on a Chip (SOC) with two processor cores or more. But not any processor will do: Instead, Windows 11 only supports very specific, newer microprocessors. Generally speaking, this means an 8th Gen Intel Core processor (or its AMD equivalent) or newer, which dates back to late 2017. Regardless, we recommend the newest and fastest microprocessor you can afford.
RAM. 4 GB or more. We recommend 16 GB of RAM or more.
Storage. 64 GB or more. We recommend 256 GB or more of SSD (solid-state drive) storage or more.
Firmware. UEFI (Unified Extensible Firmware Interface) with Secure Boot enabled.
Trusted Platform Module (TPM) version 2.0. This is a hardware-based security solution and it was the subject of much consternation for enthusiasts when Windows 11 first debuted in 2021. That said, TPM 2.0 chipsets have been broadly available in PCs for many years.
Graphics. DirectX 12 or newer compatibility with a WDDM (Windows Display Driver Model) 2.0 driver. This compatibility is common today and will pose no issues for almost any PC.
Display. HD (720p) or higher with a physical size of at least 9-inches (diagonally), with 8-bits per color channel. We recommend a Full HD+ (1920 x 1200) or higher resolution display with a 16:10 aspect ratio as a more reasonable baseline, and a 4K+ display (3840 x 2400) or better is a noticeable improvement.
If some of the information in the previous section is confusing, no worries: Microsoft offers an app called PC Health Check that will examine your PC and tell you whether it’s compatible with Windows 11. If it isn’t, PC Health Check will explain why.
If your Windows 10-based PC is up-to-date, Microsoft will have installed PC Health Check on it already, so you can use Search in the Taskbar or Start menu to find and run the app.

PC Health Check is straightforward: Simply select the “Check now” button to see whether your PC meets Windows 11’s hardware requirements. If it does, you will be told so.

What if your PC is not compatible?
Depending on what the PC Health Check app reports, you will have some choices to make. Some requirements, like Secure Boot and TPM 2.0 may in fact be present in your PC but not enabled, so it may be worth visiting the system firmware to see whether you can enable them
In other cases, you may have to buy a new PC. Or, if you are technical enough, you can follow the instructions in Install Windows 11 Version 23H2 on Unsupported Hardware to work around Microsoft’s blockers.

Some Windows 11 features come with additional hardware requirements. You can find the full list on the Microsoft website, but here are some that are new in Windows 11:
Auto HDR. Requires an HDR-capable monitor.
DirectStorage. This gaming technology requires an NVMe SSD, support for the Standard NVM Express Controller driver, and a DirectX12 graphics card (GPU) with Shader Model 6.0 support.
Mute/Unmute from the Taskbar. This useful feature requires a web camera, microphone, and some form of audio output (speakers, headphones, and the like). It also has an additional software requirement in that this feature is only compatible with some apps.
Presence. This technology is used to wake up your PC as you approach it and put it to sleep when you walk away. It requires specific a presence sensor to do its magic.
Snap. Snap’s three-column layout option requires a monitor with a horizontal resolution of 1920 pixels or greater.
Windows Subsystem for Android. This subsystem supports running Android apps, installed via the Amazon Appstore, alongside Windows apps. It requires even more specific microprocessors (8th Gen Intel Core i3, AMD Ryzen 3000, Qualcomm Snapdragon 8c, or newer), 8 GB of RAM or more, and an SSD.
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