StuffIt Standard Edition 8.0 Windows Description:

Standard Edition makes Internet communications fast, safe, and secure.
Don't send another file over the Internet without using StuffIt first! StuffIt makes your Internet communications fast, safe, and secure with maximum compression, strong encryption, and protection from file corruption.

STUFFIT IS THE BEST
StuffIt is the best zip utility available today. It compresses files smaller than any other zip utility, lets you search archives, automate routine taskes, gives you easy to use drag and drop tools, and cross-platform compatibility.
System Requirements: Pentium or better,
Windows# 98/ME/NT/2000/XP,
32 MB RAM