LabWindows/CVI is an ANSI C software development environment used by engineers and scientists to create test and measurement applications. National Instruments (NI) released version 9.0 as a significant update, though it is now considered an archived version with known issues documented by NI. National Instruments
Option 3: Upgrade to the Final Version (CVI 2017/2019)
The last stable versions (2017 & 2019) are more compatible with Windows 10/11 and can open projects from CVI 9.0. While you must purchase a license, many resellers offer discounted "legacy support" licenses for companies that do not need the latest features.
Modern Alternatives vs. Staying with CVI 9.0
- Upgrade to CVI 2021 or 2023 – Better 64-bit support, modern compiler (LLVM/Clang).
- Switch to Python + PyVISA – Faster prototyping but less deterministic timing.
- Why Stay with 9.0? – Legacy system maintenance; embedded Windows XP/7 test rigs; codebase too large to port.
Extracting the RAR File:
Resource Tracking Window: A major addition that allowed developers to identify potential memory and resource leaks in real-time, preventing system performance degradation over time.
Option 4: Migrate to Open-Source Alternatives
Consider moving away from CVI to modern C/C++ test frameworks: