This is SuperMemo 98 for Windows (build: 9.27; 1.04 MB)(product info) Triple check your e-mail address! If you do not receive an immediate confirmation via e-mail, write to us. You can download and start using the program immediately. You will then receive your password and registration instructions within a business day. If you are a beginner, read: Installing SuperMemo Important! This software is freeware; however, this purchase will later help you upgrade to newer versions. If you do not plan to upgrade, go to freeware sites to download free sm98$3.00 With SuperMemo you can forget about forgetting!