, I can help you find the right official version or a free alternative like Dorico Elements compare the features of the free versions or walk you through the installation process for the official iPad app?
Launch Avid Link on your secondary device and sign in. sibelius portable link
MuseScore 4 is a powerful, modern alternative that can import .sib files (with some formatting loss). Its official portable version runs directly from a USB drive. This is a far safer bet than hunting a shady Sibelius portable link. , I can help you find the right
Avid recently released a robust version of Sibelius for iOS. This is the closest thing to a "portable" version available. You can find it on the Apple App Store. sibelius portable link