We use SOFTOOLS assembler/linker. You can find them at Softools.com to order. Later, Pat ------------------ Original text From: "Bruce P. Jackson" <bpjackso@mtu.edu>, on 6/27/98 8:47 AM: What is the best compiler to use with dos or win3.1? Everything I been looking at points to TASM but I am unable to find it anywhere. Is it freeware or...? THANKS BPJ