On this forum we only support versions 6.0 and higher How to use this site
Any older version is not supported. 6.0 is the lowest available version. 5.70 is NOT available from our web site.
Keep in mind that you should have legal purchased license to use AmiBroker. Make sure you use registered email address for this forum. In near future we will probably start differentiating user accounts on the forum to show their status.