https://blog.wongcw.com/2018/10/24/techsmith-snagit-v2019-0-0-build-2339-%e6%b3%a8%e5%86%8c%e7%89%88%e9%99%84%e6%b3%a8%e5%86%8c%e7%a0%81-%e5%b1%8f%e5%b9%95%e6%8d%95%e8%8e%b7%e5%b7%a5%e5%85%b7/