Guides

Practical help for getting the most out of a desktop wallpaper, plus a look at how this collection gets made.

• How to set a desktop wallpaper on any computer: Step-by-step menu paths for setting a downloaded 16:9 wallpaper on Windows 11, macOS, Linux (GNOME and KDE Plasma) and ChromeOS.
• 4K versus high resolution, explained: What 3840x2160 means, how pixels, display scaling and the 16:9 aspect ratio work, and when the 4K file on Telegram makes a visible difference.
• How The Time Traveler makes these wallpapers with SI tools: From Midjourney prompt to daily drop: how The Time Traveler creates, picks, names, checks and publishes each 16:9 Time Travel Walls desktop wallpaper.