# Help Tab

Navigation: Using TreeSize > The Ribbon Bar > # Help Tab |

The ribbon tab Help provides common help features, version information, and management functions for your product license.

### Show help | Open the product manual of TreeSize.
### Show PDF manual | Open the product manual as PDF (optimized for printing).
### Frequently Asked Questions | Shows the Frequently Asked Questions (FAQ).
### Feature Voting | Open the Feature Voting Platform of TreeSize in the browser. You are missing a functionality? Then this is the place to go to propose your idea or vote for the ideas of other users.
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### About | Shows version number and contact information.
### Check for update | Checks if a newer version of this software is available.
### What is new? | Shows recent changes.
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### Change installation key | Changes the installation key of the software.
### Extend maintenance | Extends the maintenance period. Updates and support are free within the selected maintenance period.

Please note: For the trial version of TreeSize, the Ribbon group "License" contains different controls:

### Purchase full version | Navigates to the JAM Software website and shows a list of all available license models.
### Change to full version... | Helps you switch to the full version after purchasing the software.