Rainmeter 4.5.20 Build 3803 - Allpcworld May 2026
1. The "Phantom" Build: A Versioning Oddity
The most interesting technical aspect of "Build 3803" is that, according to the official Rainmeter GitHub repository and release history, it doesn't technically exist.
Simple Installation Guides: Most listings include a quick rundown of system requirements. Rainmeter 4.5.20 Build 3803 - ALLPCWorld
Troubleshooting: Facing a specific error or performance issue with this build? Customizable Skins : Rainmeter allows you to create
If you're interested in trying out Rainmeter 4.5.20 Build 3803, you can download it from ALLPCWorld, a reputable source for software downloads. Simply visit the website, search for Rainmeter, and follow the download links. including CPU usage
- Customizable Skins: Rainmeter allows you to create and customize your own skins, giving you complete control over the look and feel of your desktop.
- Hardware Monitoring: The software provides detailed information about your system's hardware, including CPU usage, memory usage, and disk space.
- Weather Integration: Rainmeter supports integration with various weather APIs, providing you with up-to-date weather forecasts and conditions.
- Support for Multiple Monitors: The software supports multiple monitors, allowing you to create custom layouts and configurations for each screen.
- Adware/Bloatware: Installers may be wrapped in download managers that prompt the user to install additional, unwanted software.
- File Integrity: There is no guarantee the file has not been tampered with compared to the official checksum.
| Problem | Solution |
| :--- | :--- |
| Skins don't load after reboot | Open %APPDATA%\Rainmeter\Rainmeter.ini and ensure LoadLayout points to your saved layout. Alternatively, reinstall with "Start with Windows" enabled. |
| Weather skins show "N/A" | The weather API (weather.com, Yahoo) may have changed. Download a skin that uses OpenWeatherMap or Visual Crossing APIs. Manually edit @Resources\variables.inc with your API key. |
| High CPU usage | Open each skin’s .ini file. Find Update=1000 (milliseconds) and increase to Update=2000 for clocks or Update=60000 for weather. Use UpdateDivider=5 on measures. |
| Right-click menu not showing | This is a DPI bug in older builds — but fixed in 3803. If it persists, right-click the tray icon → Settings → uncheck "Disable dragging on right-click". |
| Skins flicker on dual monitors | Set each monitor’s scaling to identical percentages (e.g., both 125%). Avoid mixing "Extend" with "Duplicate" modes. |