You can update directly from an existing TWRP version or install it fresh using a PC.
: Refines how the recovery handles encrypted data partitions, a common hurdle for devices running newer Android versions. twrp 361 upd
: Retains the "install currently booted recovery" option, which eliminates the need to flash recovery images via fastboot repeatedly for A/B partition devices. Why Upgrade to TWRP 3.6.1? You can update directly from an existing TWRP