As a token of appreciation to all participants in the Windows Insider Program testing Windows 10, Microsoft has released three wallpapers that anyone can download to set as background on any PC.
There are three images: the “Come in we’re open”, “Build & Create”, and “I Love PC”, they all are individual downloads with the following sizes: 1280×1024 (Normal), 2560×1920 (Normal), 2560×1600 (Wide), 1920×1080 (HD), and 3840×2160 (4K).
Here are the wallpapers, click the direct link to download the .zip file for each image:
Source Microsoft