List<User> users = [Select LastLoginDate , IsActive, Id From User where LastLoginDate < :Date.today().addDays(-10)];
for(User u : users)
{
u.IsActive = False;
}
update users;
use the above query in your batch class and create scheduler class and activate the scheduler daily using apex scheduler button
use the above query in your batch class and create scheduler class and activate the scheduler daily using apex scheduler button