Beyond Compare 4.x 
Licensed to:    ASIO Allsoftinone
Quantity:       1 user
Serial number:  1822-9597
License type:   Pro Edition for Linux

First delete away trial mode:

```
sudo sed -i "s/keexjEP3t4Mue23hrnuPtY4TdcsqNiJL-5174TsUdLmJSIXKfG2NGPwBL6vnRPddT7tH29qpkneX63DO9ECSPE9rzY1zhThHERg8lHM9IBFT+rVuiY823aQJuqzxCKIE1bcDqM4wgW01FH6oCBP1G4ub01xmb4BGSUG6ZrjxWHJyNLyIlGvOhoY2HAYzEtzYGwxFZn2JZ66o4RONkXjX0DF9EzsdUef3UAS+JQ+fCYReLawdjEe6tXCv88GKaaPKWxCeaUL9PejICQgRQOLGOZtZQkLgAelrOtehxz5ANOOqCaJgy2mJLQVLM5SJ9Dli909c5ybvEhVmIC0dc9dWH+/N9KmiLVlKMU7RJqnE+WXEEPI1SgglmfmLc1yVH7dqBb9ehOoKG9UE+HAE1YvH1XX2XVGeEqYUY-Tsk7YBTz0WpSpoYyPgx6Iki5KLtQ5G-aKP9eysnkuOAkrvHU8bLbGtZteGwJarev03PhfCioJL4OSqsmQGEvDbHFEbNl1qJtdwEriR+VNZts9vNNLk7UGfeNwIiqpxjk4Mn09nmSd8FhM4ifvcaIbNCRoMPGl6KU12iseSe+w+1kFsLhX+OhQM8WXcWV10cGqBzQE9OqOLUcg9n0krrR3KrohstS9smTwEx9olyLYppvC0p5i7dAx2deWvM1ZxKNs0BvcXGukR+/g" /usr/lib/beyondcompare/BCompare
```

Then restart BC, click "Enter License":

```
--- BEGIN LICENSE KEY ---
ayvZeJDYPBHS4J-1K6g6bDBuPoo0G-oGAq35blZtAoRqC-qQeSz28XAzX
6nTx9laTMLRCp6nAIhHNGZ2ehkeUfbnFaxEeLvI8fJavn-XQLNbOumCLU
qgdNbNMZiFRU03+OTQnw4V-E2YKTYi-LkgPzE6R-yIJGDNWfxH2AdpIgg
8rlpsbrTs9Dt1zysUfvAEi0dKbmGIi3rqf7yWmwDh1AI5VyoWFIejvJwJ
Lmlr2CjQ1VZ3DySCfBDuKcYmOCeK7jzEWPUnAw+f9360nIiiNEB0YGkwB
kdtgaKEEik7aNiI3jXvp5r34wViVJCiX7m2y7pqBV9gZIvP9hP9KPnP++++
--- END LICENSE KEY -----
```

For windows:

--- BEGIN LICENSE KEY ---
H1bJTd2SauPv5Garuaq0Ig43uqq5NJOEw94wxdZTpU-pFB9GmyPk677gJ
vC1Ro6sbAvKR4pVwtxdCfuoZDb6hJ5bVQKqlfihJfSYZt-xVrVU27+0Ja
hFbqTmYskatMTgPyjvv99CF2Te8ec+Ys2SPxyZAF0YwOCNOWmsyqN5y9t
q2Kw2pjoiDs5gIH-uw5U49JzOB6otS7kThBJE-H9A76u4uUvR8DKb+VcB
rWu5qSJGEnbsXNfJdq5L2D8QgRdV-sXHp2A-7j1X2n4WIISvU1V9koIyS
NisHFBTcWJS0sC5BTFwrtfLEE9lEwz2bxHQpWJiu12ZeKpi+7oUSqebX+
--- END LICENSE KEY -----