Just plug-in your USB drive and run the portable application when you need it. This is specially useful when you don’t have rights to install applications on a PC. After that, you can use them on any Windows PC without installing. So, you can create portable version of useful applications for your Windows PC and copy them to your USB. And you won’t need admin rights to run them. Upon clicking, it will extract required files to a temporary folder and run from there.
You can run it on any compatible PC without installing. A portable application or software is click-to-run type of software application.