OpenServerPanel/system/default/scheduler.dat

[example task 1]

task_command        = wget.exe --secure-protocol=TLSv1_2 -q --no-cache https://example.local/cron.php -O nul
task_directory      = {root_dir}\bin
task_enabled        = off
task_max_runs       = 0
task_plan           = */10 * * * *

[example task 2]

task_command        = "%COMSPEC%" /c "osp reset init & osp use php-7.4 & php.exe -q -f cron.php"
task_directory      = {root_dir}\home\example.local\public_html
task_enabled        = off
task_max_runs       = 0
task_plan           = * * * * *