(If you cannot find a direct link, look for "Magisk ADB Fastboot NDK" on your preferred search engine or the XDA Developers forums. The file is usually small, around 5-10MB.)
: Search for the latest "ADB & Fastboot for Android NDK" zip file on trusted repositories like GitHub or the Magisk Module Alt-Repo. Open Magisk : Launch the Magisk app on your smartphone.