ACT Online Testing
For the ACT Test Taken Online
Below you will find basic technical requirements for the ACT® test taken online. For more detail, or to print a copy, please see The ACT® Test Technical Guide (PDF)
Set-Up and Technical Requirements
Optimal Testing Experience
For an optimal online testing experience, avoid testing on any computer that takes 10 seconds or more to start and run applications.
Determining Testing Capacity
To determine if your test site has enough computers to test all your examinees, use the formula below.
[number of devices] x [number of days you plan to test in the window] = examinee capacity
Note: For State and District testing, there are 6 days available in the online testing window.
TestNav and PearsonAccessnext
TestNav™ is the test delivery engine used by examinees to take the tests. PearsonAccessnext ™ is the web application used by testing staff to manage participation, ordering of materials, and online testing.
See the table below for minimum hardware requirements for devices used for testing.
|Windows||macOS (OS X)||Chrome OS|
|Processor||x86/x32 and x64||only Intel-based™||Any|
|Memory||2 GB RAM||2 GB RAM||2 GB RAM|
|Screen size||9.5 inch||9.5 inch||9.5 inch|
|Screen resolution||1024 x 768||1024 x 768||1024 x 768|
Tablets, Chromebooks and iPads
Chromebooks must be used with a keyboard and mouse/touch pad. Tablet mode is referring to using the device as a touchscreen device without a keyboard and mouse/touch pad attached.
iPads and Linux devices are not supported at this time.
Tests that Require Kiosk Mode
Kiosk mode prevents students from accessing any other web pages or applications besides TestNav while testing.
Use the links below to download and set up the app for your supported operating system.
|Operating System||Download Installable TestNav||Setup Instructions|
|Chrome OS 66, 67, 68, 69, 70+||From Chrome Web Store||Set Up TestNav on Chromebook|
|OS X: 10.11, 10.12, 10.13, 10.14+||From TestNav downloads||Set Up TestNav Desktop on OS X|
|Windows: 7, 8.1, 10||From TestNav downloads||Set Up TestNav Desktop on Windows|
Firewall/Proxy Servers/Content Filtering
Open the following URLs and ports in any firewalls, proxy servers, or software used for internet content filtering:
Note: TestNav content is dynamically hosted in the cloud. No static IP addresses or ranges can be provided.
Requirements for Proctor Caching
See the table below for minimum hardware and software requirements for devices used for proctor caching.
|Hardware Requirements (Minimum)||Windows|
|Processor||2.0 GHz x86/x32 and x64|
|Memory||2 GB RAM|
When using ProctorCache, you must open the following URL:Port combinations in any firewalls, proxy servers, or software used for Internet content filtering:
You must configure the firewall software to open both ports listed below, or both of your custom port settings, in the local network on all proctor caching computers:
|Default TCP/IP Port Settings||
|Custom Port Settings||If you set custom ports using instructions on the Set Up and Use ProctorCache page, configure firewall software to open BOTH custom ports, and NOT the two default ports listed above.|
Supported Operating Systems for Proctor Caching
These are the supported operating systems for devices used for proctor caching:
- Windows Server 2008, Windows 7, Windows Server 2012, Windows 8, Windows 10, or Windows Server 2016