Boilsoft Video Joiner 9.1.9 - Allpcworld -

The interface is straightforward, resembling media joiners from the mid-2010s:

Because the software bypasses the re-encoding process (in "Direct Stream" mode), the CPU usage remains low. This means you can merge large video files—even those exceeding 1GB or 2GB—while continuing to use your computer for other tasks without lag. Boilsoft Video Joiner 9.1.9 - ALLPCWorld