Learn about our minimum operating system requirements, browser requirements, and display settings for TDAmeritrade.com.
Thinkorswim Trading Platforms. Thinkorswim Trading Platforms Overview; thinkorswim Desktop; thinkorswim Web; thinkorswim Mobile. Macintosh, Mac OS, and Safari are. Tags: download thinkorswim, linux, mac, thinkorswim downloads, thinkorswim how tos, thinkorswim installers, thinkorswim platform, thinkorswim tutorials, windows Posted on 2015-09-16 by Josiah. ThinkorSwim somewhat unusable after Mac OS update. Hey everyone, hope you're all well. I recently upgraded to Mac OS Big Sur and in doing so I started experiencing serious issues with TOS. Specifically, when I'm interacting with any chart (whether it be active trader or main charts) the software doesn't process any request and eventually crashes after spinning up the fans.
Operating System Requirements
Install Thinkorswim On Windows 10
PC: Windows® 7 or later
Macintosh®: macOS® 10.11
Thinkorswim Download Windows 10
Browser Requirements
PC: Microsoft Internet Explorer 11 or later, Microsoft Edge, Mozilla Firefox (latest 2 versions), Chrome (latest 2 versions)
Macintosh®: Safari™ 11 or later, Firefox (latest 2 versions), Chrome (latest 2 versions)
Mobile
We recommend using the latest browser available with your device such as Safari, Firefox, or Chrome.
You may also download our mobile apps.
Display Settings
This Web site is designed for a minimum resolution of 1024 x 768 and for a color depth of 16K.
If you're using a PC, to change the color depth or resolution, go to Control Panel, select Display, and choose Settings.
If you're using a Macintosh with OS X, go to System Preferences and choose Displays.
Pop-Up Windows
This Web site utilizes pop-up windows. If you use a pop-up blocker, you can still trade and access most site features. To view all information on the site, including most forms and look up results for symbols and quotes, you must disable your pop-up blocker.
Visit the Security Center to check your site and browser settings page
Check your browser for pop-up blockers and follow instructions for allowing pop-ups.
Display Settings
This Web site is designed for a minimum resolution of 1024 x 768 and for a color depth of 16K.
If you're using a PC, to change the color depth or resolution, go to Control Panel, select Display, and choose Settings.
If you're using a Macintosh with OS X, go to System Preferences and choose Displays.
Pop-Up Windows
This Web site utilizes pop-up windows. If you use a pop-up blocker, you can still trade and access most site features. To view all information on the site, including most forms and look up results for symbols and quotes, you must disable your pop-up blocker.
Visit the Security Center to check your site and browser settings page
Check your browser for pop-up blockers and follow instructions for allowing pop-ups.
PDFs
This web site requires Adobe Reader 4.0 or later to read PDFs.
