Attached are the Winter 18 release notes (including an easily digestible, abridged version), upgrade instructions (from Fall 17) and the updated user manuals.
Please note that the upgrade instructions are specifically for upgrading from Fall 17 to Winter 18. Fall 17 is version 1.220.27 or later.
If you have a version that is older than Fall 17, please follow this article to upgrade to Fall 17 before upgrading to Winter 18.
If you are not sure which version you currently have, please follow the steps below to find out:
1. Go to Salesforce Set up, search for "Installed Packages".
2. You will see the version number under "Version Name". If you have version 1.220.27 or later, you can follow the attached instructions to upgrade to Winter 18.