SumatraPDF is a lightweight, tabbed document reader for a variety of formats. Includes a wide variety of views including table of contents, rotation, facing pages, book view (2 pages side-by-side), full screen and presentation mode. Includes support for bookmarks, command-line arguments, hotkeys, and more. Additionally, SumatraPDF can function as a portable browser plugin. Supported formats include PDF, eBooks (EPUB, MOBI, FB2/FB2Z, PDB, TCR), Comic Books (CBZ/CBR/CBT/CB7Z), DJVU, CHM, XPS, TXT, images (JPG, PNG, GIF, TIFF, J2K, WEBP, TGA) and PostScript documents (PS/EPS, AI, PRN – requires Ghostscript).
Alternatively, Sumatra Portable adjusts recently used and most used file paths.