# IrfanView Portable Help

## Thumbnail and Picture Viewer

IrfanView Portable is thumbnail and picture viewer, converter, optimizer, and more. It's packaged with a PortableApps.com launcher as a portable app, so you can use it from a cloud folder, portable drive, or local folder without needing to install it on each PC. Learn more about IrfanView...

- Support IrfanView Development

- Support PortableApps.com's Hosting and Development

Go to the IrfanView Portable Homepage >>

Get more portable apps at PortableApps.com

The PortableApps.com Launcher that portablizes this application and the PortableApps.com Installer used to package this application are OSI Certified Open Source Software. OSI Certified is a certification mark of the Open Source Initiative. The base application is under a different license.

## IrfanView Portable Specific Issues

In addition to the standard launcher entries described in readme file below, IrfanView Portable also allows the app to always be run in 32-bit mode even on 64-bit Windows by adding the line AlwaysUse32Bit=true to the end of the IrfanViewPortable.ini described in the readme file.

## Portable App Issues

- Downloading a Portable App
- Installing a Portable App
- Using a Portable App
- Upgrading a Portable App

You can read about advanced configuration options for the PortableApps.com Launcher in its readme file.