For anyone who don't want to start from the beginning and having a hard time to find their saves from the previous version, this works for me.
1. Copied my save file from previous version
2. Download, extract the new version
3. Start new game, save. You now have a save file. (file1.rpgsave)
4. Paste save file from old version, delete the save file from new version, and rename the save file from old version to file1.rpgsave (if you copied the file1.rpgsave from old, then just replace the save file)
I'm now playing and hope that it didn't have any bugs from doing this. Enjoy.