Install TWRP Recovery on LineageOS 18.1 using Odin Tool. In this video we are using a Samsung S7.

1. Download APK - https://dl.google.com/android/repository/platform-tools-latest-windows.zip (does not matter where the file is put).
2. Download AND install TWRP app - https://play.google.com/store/apps/details?id=me.twrp.twrpapp&hl=en_US&gl=US
3. Download your devices TWRP img.TAR file - https://twrp.me/Devices/ (I'm using Samsung S7 and the img.TAR file is here - https://dl.twrp.me/herolte/ )
4. Download Odin Flash Tool here - https://odinflashtool.com/

It will NOT stay a Recovery for Lineage 18.1. Watch the next 2 videos (Root LineageOS 18.1 using Magisk Manager and TWRP Recovery & How to KEEP the TWRP Recovery on LineageOS 18.1 using Magisk) to learn how to have it your main recovery.