| Use Portable if... | Use Installed if... | |-------------------|----------------------| | On a locked work PC (no admin rights) | You want the virtual PDF printer | | Running from USB drive | You need right-click shell integration | | Don't want leftovers in Windows Registry | You use PDF tools daily | | Using multiple computers | You prefer automatic updates |

In recent years, recognizing this demand, PDF24 has worked on a portable version (versions 9.x/11.x) that offers a reduced feature set , focusing on the toolbox functions that do not require the virtual printer. Key Features of the Portable/Reduced Function Set