having problem downloading thinkorswim on new mac with OS mavericks. Gettying message can't be opened because it is from unidentified developer. How do I get around this???
Having problem downloading Thinkorswim program on new mac with OS mavericks from internet. Keep getting message - "thinkorswim installer" cant be opened because it is from unidentified deveoper.
How do get around this problem? Also trying to download another program with same type or message.
OS X Mavericks (10.9.1)