Zkus Sumatra portable:https://sourceforge.net/projects/portableapps/files/Sumatra%20PDF%20Portable/SumatraPDFPortable_3.1.2.paf.exe/download?use_mirror=netix&click_id=27426518-d915-11e7-ba7f-0200ac1d1d8c&source=accel&accel_key=69%3A274262e8-d915-11e7-ba7f-0200ac1d1d8c