You may have a stable workflow with a specific older version and do not want to risk bugs found in newer versions.
The safest place to look for an older version is the official manufacturer channels.
A stripped-down version (V1.0) for systems with lower processing power. Installation Tips for Older Versions
and mirrors for older versions compatible with Windows 7, 8, and 10. Why You Might Need an Older Version OS Compatibility
KVMS Pro is a re-branded version of software developed by (a major OEM manufacturer). While the software is widely used, the developers frequently purge older versions from their official download servers to force users onto the latest builds. This makes finding a direct, working "old version link" difficult.
Some users prefer the interface and features of older versions (e.g., version 1.1 or 2.0). KVMS Pro Software Old Version Link (Where to Download)
If you're having trouble finding an older version of KVMs Pro software or if you're concerned about the potential risks, consider:
If you are reverting to an old version because the new one crashes, you are likely looking for builds, which were known for stability on older DVR/NVR models.