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Rainmeter 4.5.20 is a free Windows desktop customization tool release, versioned as revision 3803 and released on August 27, 2024. Its notes describe targeted fixes and maintenance changes across plugins, commands, skins, logging, configuration parsing, and deployment. It is no longer the newest listed release: Rainmeter’s official change page lists version 4.5.27, dated October 6, 2026.
What is Rainmeter 4.5.20?
Rainmeter is free, open-source software under the GNU GPL v2 license. It lets Windows users customize the desktop with skins. Version 4.5.20 is a specific historical release, identified by the project as revision 3803. The official Rainmeter project page describes the software and provides its download.
Rainmeter’s official change page presents version 4.5.20 as released August 27, 2024. It is not the latest listed 4.5 release as of October 8, 2026.
What changed in Rainmeter 4.5.20?
The official 4.5.20 notes enumerate fixes and maintenance work rather than a single major new feature. The listed changes cover:
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#1 Best Overall
- 12.6 Inch 2560x666 Ultra-Wide IPS Display: Adopts high-resolution 2560x666 IPS panel with 178° wide viewing angle, presenting clear images and vivid colors. Perfectly compatible with AIDA64 and Rainmeter to display real-time CPU, GPU, RAM, fan speed and system data without occupying your main screen.
- High-Definition Stable Visual Performance: This non-touch ultra-wide monitor delivers stable and ultra-clear image output with accurate color reproduction. It supports fixed display of system dashboards, data widgets and running parameters, features no lag or flicker, and provides long-lasting steady visual experience for desktop auxiliary monitoring.
- USB-C & HDMI Plug & Play: Dual interface design supports video and power transmission at the same time. Simply connect to your PC, laptop, Raspberry Pi, phone or car system, widely compatible with Windows, Mac OS, Linux and Android, no complicated setup needed.
- Multi-Scenario Versatile Application: Designed as a professional secondary monitor for PC system monitoring, stock & crypto ticker, car dashboard/HUD, gaming data display, smart home control and office productivity extension to greatly improve working efficiency.
- Slim & Stable Long-Lasting Design: Ultra-slim and lightweight strip shape saves desk space and fits various installation environments. Low power consumption, stable performance and durable structure ensure long service life for daily long-time use.
- Updater: The updater URL was changed to HTTPS. The release notes describe this as protection against a possible “Machine in the Middle” attack; this specific change should not be read as a claim that all Rainmeter network traffic or every security issue is covered.
- Plugins and commands: Fixes address Ping plugin timing, the
!ToggleConfigcommand, and the first AudioLevel FFT band. - Logging and configuration: The notes cover log messages longer than 1024 characters, the insertion position for recursive
@Includedirectives, self-reference logging in the config parser, and Bang logging. - Skins and Lua: Fixes address skin
FadeDurationand prevention of crashes caused by invalid Lua parameters. - Build and deployment: The release notes list changes to build and digital-signing processes, executable renaming behavior, monitor debug information, and WinGet deployment automation.
- Translations: Dutch, Czech, and French translations were updated.
These are the changes specifically listed for 4.5.20; the notes do not establish broader guarantees about security, compatibility, or reliability.
Is Rainmeter 4.5.20 the latest version?
No. The official change page lists Rainmeter 4.5.27, revision 3934, dated October 6, 2026, as a later release. Release status can change, so check the official page when deciding what to install.
Rank #2
- Space-Saving Design: Engineered with a narrow profile to fit perfectly between your keyboard and main monitor. This bracket utilizes a traditionally wasted desk area, giving your workstation a clean, organized, and modern cyberpunk aesthetic.
- Seamless Hardware Monitoring: Designed to hold your sensor panel display right in your line of sight. Keep track of CPU/GPU temperatures, load, and fan speeds during intense gaming or video editing without ever switching windows.
- Streamlined Workflow: Position your macro keys and shortcut panels exactly where you need them. Boost your productivity by having instant access to audio source switching, app launching, or complex editing macros without interrupting your primary screen.
- Clean Cable Management: Features an integrated cable routing system at the back of the mount. Keep messy cords out of sight and maintain a professional, clutter-free desk environment for both office work and live streaming setups.
- Durable Construction: Manufactured using robust PETG material to ensure long-lasting stability for your devices. The package comes complete with one bracket and 16 pieces of M3x12 screws for a reliable and straightforward setup.
The same page says 4.5.27 is the last 4.5 release to support older Windows versions and 32-bit systems. It states that Rainmeter 5.0 requires a recent 64-bit Windows 10 (version 1903 or later) or Windows 11. Those statements describe later releases and must not be applied as requirements for 4.5.20.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to install Rainmeter 4.5.20
- Open the official Rainmeter project page and obtain the installer for the version you intend to use.
- Run the downloaded installer and follow its prompts. The official installation documentation describes the installation process.
- Before installing 4.5.20 specifically, verify that its installer and the official system requirements page suit your Windows version and system. Exact minimum operating-system requirements for 4.5.20 are not established here, so do not infer them from documentation or notes for newer versions.
Should you use version 4.5.20?
For most people choosing a version now, 4.5.20 is mainly relevant if they need that specific release or are investigating a change it introduced. If you are selecting a version to install, compare the release notes with your needs, confirm operating-system and architecture support for that exact version in official documentation, and check whether a later release is more appropriate. The project’s version history is a brief account of publicly released changes; it points readers to GitHub commit history for line-by-line source changes.
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