To find QBasic 1.0 on your computer, click <i>Start,</i> then <i>Find...</i>, then <i>Files or Folders.</i> Enter qbasic.exe or qb.exe to find it.<br><br>To download QB 4.5, go to qbasic.net, click <i>QB File Vault,</i> then click <i>Download QB 4.5.</i>