Describe the bug
IDE does not start

To Reproduce
Steps to reproduce the behavior:

1. download the zip file
2. extract folder
3. click on "arduino-ide"

Expected behavior
The ide should open

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):
Linux Mint 20.1

Additional context
Installing instructions are here:
https://www.arduino.cc/en/Tutorial/getting-started-with-ide-v2/ide-v2-downloading-and-installing#linux
I also tried chmod +x arduino-ide but with no success. If I try to run it as a command, it says command not found.