While Microsoft has released WinPE for Windows 10 and 11, the Windows 8.1 PE build (based on version 6.3.9600) holds a unique sweet spot. It is modern enough to support most SATA and NVMe drives, yet light enough to fly on hardware that chokes on the bloated Win11 PE.
A standard Windows 10/11 PE boot.wim can easily balloon to 300MB–500MB+ compressed. Windows 8.1 PE sits happily around 180MB–250MB. On a machine with only 2GB of RAM (common for thin clients or old POS systems), Win11 PE will crawl or crash. 8.1 PE leaves you room to actually run recovery tools. windows 8.1 pe
This is a quality-of-life hack. If you build a custom 8.1 PE with the Explorer shell (using tools like WinBuilder or ADK), you get the classic Start Screen. It is surprisingly functional for launching partition managers. More importantly, Win8.1 PE doesn't nag you about deprecation or force you into a command prompt as aggressively as the stock Win11 PE does. While Microsoft has released WinPE for Windows 10