Downloading a Lenovo OEM Windows 10 ISO is typically better if you want a "factory-fresh" experience with all device-specific drivers and software pre-installed. However, a standard Microsoft ISO is often preferred for a faster, "cleaner" system without manufacturer bloatware. Official Lenovo OEM Download (DDRS) Lenovo Digital Download Recovery Service (DDRS)
Here is the guide on how to handle both scenarios the "better" way. lenovo oem windows 10 iso download better
If you are downloading an ISO from a third-party site (not Microsoft or Lenovo) that claims to be a "Lenovo OEM ISO," stop immediately. Downloading a Lenovo OEM Windows 10 ISO is
Pros: Free of manufacturer "bloatware" and provides the absolute latest baseline version of Windows. A clean Windows 10 installation tailored for Lenovo
3. Third-party “Lenovo OEM ISO” downloads (risky)
Security & integrity
You can obtain this through the Lenovo Digital Download Recovery Service (DDRS). Download the files for creating a Lenovo USB Recovery key