1. BACKUP YOUR DATABASE
2. Backup all your existing installation YAF files

1. Remove the following directories from your forum root directory:

• \bin
• \controls
• \Content
• \editors
• \install
• \languages
• \pages
• \resources
• \Scripts
• \themes

1. Unzip the file structure YAF-vX.X.X-Upgrade ZIP archive to the folder you want to run YAF to run inside. The YAF \Bin directory must be in your application root.

Migrate your web.config You Can do that with our Migration Tool... https://yetanotherforum.net/MigrationTool

List Of Web.Config changes from 2.30.16 to 3.2.11

1. When the Application runs after the files are copied to the server, then the Database will be updated automatically.