Greetings The overwhelming response to my original question (below) was that you can run both 3.2 and 8.1 on the same machine, even at the same time, but you need Windows 2000 or NT and maybe other OS's but not Windows 98. Also, 128 meg of RAM could cause some speed problems, but it can be done. Thanks! Roger > Is it safe to load and run both AV3.2 and 8.1 on the same machine? I'm > using a Dell Dimension XPS R400, with 128meg of RAM on Windows 98. > -- ******************************************** Roger G. DeKett, Soil Scientist USDA, Natural Resources Conservation Service 1153 Main Street Suite 2 St. Johnsbury, VT 05819-2734 Phone: 802-748-3885 Ext. 111 Fax: 802-748-1621 Email: roger.dekett@vt.usda.gov ********************************************