What is Sumatra PDF?
Sumatra PDF is a free PDF, XPS, DjVu, CBZ and CBR reader for Windows.
Sumatra PDF is small and starts up very fast.
Simplicity of the user interface has a high priority.
Portable version included (a single executable that can be run e.g. from USB drive and doesn’t write to registry).
Changes in this release:
(re)add support for old processors that don’t have SSE2
support newer versions of unrar.dll
allow keeping browser plugin if it’s already installed
Supported OS: Windows 10, Windows 8, Windows 7, Vista, XP.