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Atlas Cloud® Software Requirements (All Users):

Supported Operating Systems

  • Microsoft Windows 7/8/10 (32 and 64-bit)

Supported Screen Resolution
The recommended screen resolution is:

  • Non-test users – at least 1024x768 pixels with 16k colors
  • All test users – 1920x1080 pixels with 16k colors*

*Using this resolution will ensure that the on-screen area is large enough to support all types of tests; however, the minimum screen resolution required will be dependent on the test content being delivered and in many cases a smaller screen resolution may be used.

Supported Browsers
Please see below a list of supported web browsers (32 and 64-bit):

  • Internet Explorer: Version 11 (as noted below)

In line with Microsoft’s policy on browser support, only the following versions of Internet Explorer will receive support:

Windows Desktop OS
Windows 7 SP1
Windows 8.1 Update
Windows 10

Pop-up Blocker
If you use a pop-up blocker, pop-up windows must be allowed for *.psionline.com
Please note, if you use Windows 8 or Windows 10, Internet Explorer must be running in desktop mode to run a test.

Internet Connection
We recommend at least 512 Kit/s per user, but no less than 10 Mbit/s of total available capacity.

Firewall Settings
Atlas Cloud uses http and https. Any firewall or proxy must be configured to allow:
HTTP access (destination TCP port 80, URLS begin with http://)
HTTPS access (destination TCP port 443, URLs begin with https://)
DNS lookups (TCP/UDP port 53, check your DNS server address)

Any firewall must also allow the downloading of .bin (binary data) and .jar (Java Archive) files.


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For more information about CSP, call us at 475-273-2243, or email us at aryan@csplacement.com