1. run LARSA4D_7.01.64.exe install Larsa 4D
2. when you see "LARSA Environment Setup" dialog, press 'Continue', then in next page press 'cancel'
3. you will see "Setup-LARSA 4D" dialog, press 'Finish'
4. copy lsapiw32.dll to c:Program FilesLarsa 2000 replace old one
5. that is all, enjoy LARSA4D_7.01.64, be happy!