1. Download Davinci Resolve Studio 18.6.1
    https://www.blackmagicdesign.com/support/download/cdd8d8c6ed1b4a8a818e6934a885e3fd/Mac%20OS%20X
    (wait while page loading)
  2. Install program
  3. Execute code in Terminal:
function hex() {
echo ''$1'' | perl -0777pe 's|([0-9a-zA-Z]{2}+(?![^\(]*\)))|\\x${1}|gs'
}
function replace() {
declare -r dom=$( hex $2 )
declare -r sub=$( hex $3 )
sudo perl -0777pi -e 'BEGIN{$/=\1e8} s|'$dom'|'$sub'|gs' "$1"
return
}
function prep() {
sudo xattr -cr "$1"
sudo xattr -r -d com.apple.quarantine "$1"
sudo codesign --force --sign - "$1"
}
function patch() {
replace "/Applications/DaVinci Resolve/DaVinci Resolve.app/Contents/MacOS/Resolve" 'D2E856E0030085C074' 'D2E856E0030085C0EB'
replace "/Applications/DaVinci Resolve/DaVinci Resolve.app/Contents/MacOS/Resolve" '020080D2B6F1009420040034' '020080D2B6F1009420040035'
}
patch
prep "/Applications/DaVinci Resolve/DaVinci Resolve.app"
  1. Done