: A simpler, more direct alternative for Windows and macOS. You connect your iPhone via USB, drag the IPA file into the Sideloadly window, enter your Apple ID, and click "Start" to begin the installation.
: Move the YouTube IPA file to your iOS device via iCloud Drive, AirDrop, or the Files app.
A very user-friendly desktop program (Windows/macOS) that lets you sign IPAs with your free Apple ID and install them via a lightning cable or Wi-Fi. AltStore / SideStore: Youtube 15.02.1 Ipa Download
Sideloaded apps, unless installed via a developer account, expire every 7 days (AltStore or Sideloadly with free Apple ID). You will need to re-sideload to keep it working.
Assuming you have found a legitimate copy of Youtube_15.02.1.ipa , here are the three main ways to install it on a non-jailbroken iPhone or iPad. : A simpler, more direct alternative for Windows and macOS
Ensure the IPA file you download is from a reputable source, such as a well-known Reddit r/sideloaded community member or the Internet Archive, to avoid malware.
If you use a free, standard Apple ID with AltStore or Sideloadly, side-loaded apps expire every 7 days. You must refresh them over Wi-Fi or USB to keep them functional. Assuming you have found a legitimate copy of Youtube_15
While this method can get YouTube working again, keep in mind it's often reported as "very buggy" on older operating systems like iOS 9.3.5, with the front page not loading properly.
If you install YouTube 15.02.1 and it crashes, freezes, or refuses to play videos: