IrfanView 4.51 is now available.
http://www.irfanview.com/

IrfanView is a fast, compact, small and free image viewer and converter that will work on almost all Microsoft® Windows® versions (including XP, Vista,7,8 and latest version 10). A powerful graphic viewer, designed from the scratch to be simple for beginners and powerful for professionals. IrfanView is the first Windows® graphic viewer that comes with support for multiple (animated) GIF, Multipage TIF, and Multiple ICO. It has support for many graphic file formats (regularly updated).

Just a couple of them: BMP, DIB, JPG, JPEG, PSD, PDF, GIF, TTF, TXT, ANI, CUR, CLP, DDS, CAM, Mac PICT, QTIF, MP4, WAD, WBMP, RAS, SUN, SFF, PPM ( and many other graphic file formats supported).

Support has been extending over the years for video and audio files. Just a short list of them: WAV, AVI, WMA, WMV, MPG, MPEG, MP3, MID and many others (keep in mind that for some video and audio files like RA or MOV, MP4 - Real Player/Apple® Quicktime® required).
https://www.fosshub.com/IrfanView.html