This user's guide for the SILVAH computer program, version 6.2, supersedes the 1992 user's guide (Gen. Tech. Rep. NE-162). Designed for stand-alone Windows-based personal computers, SILVAH recommends a silvicultural prescription for a forest stand based on a summary and analysis of field inventory data. The program also includes a simulator that can be used to project stand growth and development, estimating yields from either prescribed or user-defined treatments. The software is distributed with an online help system and this printed user's manual. The computer program described in this publication is available on the Internet at http: //nrs.fs.fed.us/tools/silvah