1. These files are packaged in an auto-install format. Type the executable name to install it. For example, type "sp3chki" for x86 platforms or "sp3chka" for Alpha platforms (without the quotation marks). 2. The symbol files are packaged in an auto-extract format. Type the executable name to extract them. For example, type "sp3csymi" for x86 platforms or "sp3csyma" for Alpha platforms (without the quotation marks).