Under the System Information tab in the TPDU console – accessible via the Windows Start menu entry ThinPrint Diagnostic Utility –, the essential information about the operating system and the installed ThinPrint components is displayed – separated into three areas:
- System Information
- Recommended Hotfixes
- Installed Products

System information
| Menu | Description | 
| Computer Name | name of the local computer (on which the TPDU runs) | 
| Operating System | operating system of the local printer | 
| Windows Version | • version number of the installed operating system ‒ e. g. 6.3 or 21H2 • with older Windows versions: installed service pack version | 
| Build | • last digit of the internal operating system version ‒ e. g. 9600 or 22000 • with older Windows versions: internal operating system version ‒ e. g. 6.2.9200 | 
| Architecture | processor architecture | 
| Physical Memory | amount of memory (RAM) | 
| Spool Directory | directory for the Windows print spooler (where it temporarily stores print jobs before sending them to the printer) | 
| File→ Re-scan or F5 | information is rescanned | 

Recommended hotfixes
In the Recommended Hotfixes field there is a list of Microsoft hotfixes – with their knowledge base numbers – that are matched for this operating system and have an influence on printing or on the quality of printouts:
| Table column | Description | 
| Hotfix | Microsoft hotfix with the number of the (linked here) Knowledge Base article (KB); the installation is conveniently carried out with the Windows Update feature | 
| Installed | indicates whether the hotfix is installed on the local computer | 
| Short Description | short description of the relevant Knowledge Base article | 

recommended Hotfixes on Windows 11

recommended Hotfixes on Windows Server 2012 R2
- Clicking Show all Updates opens a list of already installed Microsoft hotfixes including the date of their installation.

Installed Products
In the Installed Products field is a list of the installed ThinPrint, ezeep or Personal Printing components:
| Table column | Description | 
| Product | denomination of the product or component | 
| 32bit/64bit | processor architecture of the product or component | 
| Version | version number of the product or component | 
| Path | installation path of the product or component | 
| File→ Re-scan or F5 | information is rescanned | 

(The VMware Tools are a special feature here, because in older versions the print components contained in the VMware Tools also came from ThinPrint. The same applies to Horizon View Agent and Horizon View Client.)