Please refer to the following on how to update each app type.
Web Browser
There is no need for a user to perform any update.
Mobile App (iOS)
Use the App Store to update iOS app:
https://apps.apple.com/jp/app/teachme-biz/id683050928
Mobile App (Android)
Use the Google Play Store to update Android app:
https://play.google.com/store/apps/details?id=jp.studist.teachme_biz
Editor Plugin (installed by installer)
Follow the instructions at application startup or refer to the following manual STEP 1~STEP 8 to update Editor plugin through plugin "Settings":
▼Update Editor Plugin (Web Browser×Editor Plugin)
https://teachme.jp/8/manuals/9135992/
Editor Plugin (installed through Microsoft Store)
Please refer to the following manual STEP 1~STEP 8 to update Editor plugin through plugin "Settings" or STEP 15-20 to update through Microsoft Store:
▼Update Editor Plugin (Web Browser×Editor Plugin)
https://teachme.jp/8/manuals/9135992/
*If you have automatic app updates turned on there is no need for a user to perform update manually.
Windows Desktop App
▼Update the Windows desktop application
https://teachme.jp/8/manuals/7968662/