To upgrade the SharePoint Integration Framework from version 2.1 rev. 150128 to SharePoint Connect version 2.2 rev. 160617:
- Upgrade Sitecore to XP 8.1 Update-2 or 8.1 Update-3
- Install SharePoint Connect 2.1 upgrade package
To install it, use the Installation Wizard, which is available by selecting the following:
- Sitecore Desktop: Sitecore » Development Tools » Installation Wizard
- Sitecore Control Panel: Administration » Install a Package