Sumatra PDF 3.4.6 - Download Free Applications Sumatra PDF is a slim, free, open-source PDF viewer for Windows. Source: Download Page Share this post Related PostsSmultron for Mac 12.4.1avast! Virus Definitions Update April 16, 2021WPS Office Free 11.2.0.10101Razer Cortex 9.14.15.1361K7 Total Security 16.0.0448XYplorer 21.70.0000Google Chrome Dev for Linux 91.0.4472.10DS4Windows 3.0.3