It's very easy to use; right click on a file (or several files) in Windows File Explorer, choose File Converter, and select the file format.
ມັນງ່າຍທີ່ຈະໃຊ້; ຄິກຂວາທີ່ໄຟລ໌ (ຫລືຫລາຍໆໄຟລ໌) ໃນ Windows File Explorer, ເລືອກ File Converter ແລະເລືອກຮູບແບບເອກະສານ.