The most reliable source is the Keyman Download Archive . Look for build 8.0.361.0 , which is a special release that does not require a license key or activation.
Other builds, such as 8.0.360.0 , are available but may require "Online Static Activation" or a previously purchased license. Key Features of Version 8.0 keyman desktop 8.0 download
Keyman Desktop 8.0 is a legacy version of the popular keyboard management software designed to help users type in over 1,000 languages on Windows systems. Released by Tavultesoft (now part of SIL International), version 8.0 introduced significant updates for Unicode support and multi-language workflows. The most reliable source is the Keyman Download Archive
This feature ensures that once you select a keyboard, it stays active across all open applications rather than needing to be reset for each window. Key Features of Version 8
Version 8.0 was a major milestone that unified the "Light" and "Professional" editions into a single installer.