Upgrading ThingWorx Navigate > In-Place Upgrade > In-place upgrade to ThingWorx Navigate 1.8
  
In-place upgrade to ThingWorx Navigate 1.8
The in-place upgrade consists of these high-level steps. In the next topics, you’ll find more detailed procedures for each part of the process.
1. Upgrade ThingWorx:
To upgrade ThingWorx Navigate, you need to upgrade ThingWorx. Follow the in-place upgrade instructions in Upgrading to ThingWorx 8.3.
2. Follow upgrade steps depending on your authentication method:
◦ Single Sign-on—To set up Single Sign-on for the first time, follow the instructions in “Scenario: ThingWorx as a Service Provider and Windchill as a Resource Provider” in PTC Single Sign-on Architecture and Configuration Overview Guide.
If you already have Single Sign-on configured, skip to Step 3.
◦ Windchill Authentication-Skip to Step 3.
3. Upgrade Integration Runtime.
4. Import ThingWorx Navigate related extensions.
5. Restore your configuration and custom tasks into the target system. If you have Single Sign-on, you’re done.
6. If you’re using Windchill Authentication, you have one additional step for the upgrade process.