At the moment, Australia Post is not available for direct download on a computer. However, you can use emulators to run it on PC. The downside is that using Australia Post with an emulator might slow down your computer's performance.
Learn how to use Australia Post on your computer in these 5 simple steps:
Get the Post Office in your pocket. Track and manage your deliveries on your iPhone, iPad or Apple Watch, pay bills and much more... Features: • Track your important parcels – with notifications of estimated delivery dates and locations of parcels awaiting collection • Sign up for 24/7 Parcel Lockers to get your deliveries when and where it suits • Easily collect Parcel Locker deliveries using your phone or Apple Watch • Request eligible signature-on-delivery parcels be left in a safe place (eligible parcels are shown in the app) • Quickly scan and pay your bills • Find postcodes when you’re out and about • Find nearby Post Offices and street posting boxes