Comprehensive LLVM MinGW UCRT Runtime Review

LLVM MinGW UCRT runtime is a free toolchain designed for Windows, leveraging LLVM/Clang/LLD for building applications. It supports multiple architectures, including i686, x86_64, ARM, and ARM64, allowing developers to target a wide range of platforms with a single toolchain. This innovative approach simplifies development by eliminating the need for separate compiler binaries for each architecture. Additionally, it provides enhanced debugging capabilities through PDB format and sanitizers that help identify memory issues and undefined behavior in code.

Top Recommended Alternative

The runtime's capabilities extend further with the introduction of Control Flow Guard, enhancing security for applications. By integrating LLVM-based tools, this runtime offers an alternative to traditional GNU binutils environments while retaining compatibility with Clang. Overall, the LLVM MinGW UCRT runtime presents a robust solution for developers seeking a versatile and efficient toolchain for their Windows applications.

App specs

  • License

    Free

  • Version

    21.1.7-20251202
  • Latest update

  • Platform

    Windows

  • OS

    Windows 11

  • Downloads

    2

    Last month's downloads

    • 2
  • Size

    185.98 MB

  • Developer

Program available in other languages



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Softonic

Is LLVM MinGW UCRT runtime safe?

100/100

Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

  • Virus free
  • Spyware free
  • Malware free
  • Verified by Security Partners

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Scan Info

Last scan
Wednesday, January 7, 2026
Scan provider
VirusTotal · Full report

File Integrity

File
21.1.7-20251202.zip
SHA256
0b3930be302645cde3789e34239cb5cb7b582961b9d8dc1a44e5e6d04800a4b7
SHA1
8bd1b79bee8dac6c1b80dea2247bd0919d005d51

Softonic security commitment

LLVM MinGW UCRT runtime has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware. For more information, visit our Security and Trust Center