[Free software] QCAD 點樣唔比個expired彈出黎?

免費版當然好多功能都冇啦

但用免費版佢個Cam同QCAD Pro成日彈出黎話expired

我Removed埋佢都係彈出黎

有冇辦法唔比佢彈?

謝謝