As of 2022, Google officially ended support for the YouTube app on devices running Android 6.0 through 7.1.
Go to Settings > Security (or Privacy) and toggle on Unknown Sources . youtube apk android 6.0.1
Widely considered the final "high-support" version for Marshmallow. Aug 25, 2022 A stable alternative if later builds fail to initialize. As of 2022, Google officially ended support for
Users often see a "Switch to YouTube.com" prompt or a "400 Error," effectively blocking the app’s interface and forcing them to use a mobile browser. Last Compatible YouTube APK Versions As of 2022
Open your Downloads folder using a file manager app.