The thinkorswim system is designed to work on virtually all modern computer systems (which have a Java 2 runtime environment) but before you download and attempt to install the software platform make sure your computer meets our minimum hardware and operating system requirements.
If your computer meets our requirements, click here to log in/register and then proceed to download the software.
||G4 800 Mhz
||2 Ghz Intel compatible
|HD Free Space
||1024 x 768
1We also have clients who successfully run the software on Linux, Solaris and other Unix
variants. Manual update of the software is currently required on these systems and we have no
official support for configuring these operating systems.
2210MB is required for installation on PC due to the size of the included Java Virtual Machine. The application only requires 50MB to operate.
Ideally you should use a broadband internet connection (DSL, Cable, or faster) but if necessary, you can run the software over a standard dial-up connection.
Access From Multiple Locations
All of your personal data is stored securely on our servers.
Therefore, you can login and access your account(s) from any computer
that has installed our software.
NOTE: If you attempt to login on multiple computers simultaneously,
your access to live quotes will be adversely affected. Exchange regulations
prohibit us from disseminating live quotes to the same user at multiple
locations simultaneously. If you have a legitimate need for this feature please
and we can help you determine an appropriate solution.