NadekoBot/docs/guides/Upgrading Guide.md

If you have NadekoBot 1.x on Windows

• Go to NadekoBot\src\NadekoBot and backup your credentials.json file; then go to NadekoBot\src\NadekoBot\bin\Release\netcoreapp1.0 and backup your data folder.
• Follow the Windows Guide and install the latest version of NadekoBot.
• Paste your credentials.json file into the C:\Program Files\NadekoBot\system folder.
• Paste your data folder into C:\Program Files\NadekoBot\system folder.
• If it asks you to overwrite files, it is fine to do so.
• Next launch your new Nadeko as the guide describes, if it is not already running.

If you are running Dockerised Nadeko

• There is an updating section in the docker guide.

If you have NadekoBot 1.x on Linux or macOS

• Backup the NadekoBot.db from NadekoBot/src/NadekoBot/bin/Release/netcoreapp1.0/data
• Backup the credentials.json from NadekoBot/src/NadekoBot/
• For MacOS Users Only: download and install the latest version of .NET Core SDK
• Next, use the command cd ~ && wget -N https://github.com/Kwoth/NadekoBot-BashScript/raw/1.9/linuxAIO.sh && bash linuxAIO.sh
• For Ubuntu, Debian and CentOS Users Only: use the option 4. Auto-Install Prerequisites to install the latest version of .NET Core SDK.
• Use option 1. Download NadekoBot to update your NadekoBot to 1.9.x.
• Next, just run your NadekoBot.
• NOTE: 1.9.x uses NadekoBot.db file from NadekoBot/src/NadekoBot/bin/Release/netcoreapp2.0/data folder.