Technical Prerequisites

Make sure to review the technical requirements for using Noah ES. Reliable stable internet access, supported web browsers, and PC requirements

Reliable Stable Internet Access

An important requirement for Noah ES is a reliable, stable internet connection. Noah ES is a cloud-based system and you will access your Noah database over the internet.

Noah ES requires at least 2Mbps download and 2Mbps upload speed.

If you are uncertain of your speed, please check at  You should check at each office and as a test, while connected outside of the office (e.g. connecting via a mobile hot spot).  Your speed connection tests should also be run during normal business hours to accurately measure your internet speed while other employees are making use of the internet connection.

Supported Web Browser

HIMSA will test and support the latest versions of Chrome, Firefox, Safari, and Microsoft Edge. Internet Explorer (IE) is not supported.

A requirement for Noah ES is a valid email address for each user, the email address is the Noah ES user account name.

PC Requirements



System RAM

2 GB (4 GB recommended)

Free hard drive space

1 GB of free space for Noah (5 GB recommended),
1 GB of free space for EACH installed module,
4 GB of free space for the patient database

SSD Drive

To ensure satisfactory performance, we recommend the use of a 256 GB (or larger) Solid State Drive (SSD)

Operating System

Windows 11 or 10 – does not support the S variation, ARM based versions (ex. Surface Pro X), or mobile versions

Screen resolution

Wide Screen Monitors (16:9 aspect ratio) = 1366×768
Full Screen Monitors (5:4 aspect ratio) = 1280×1024

In order to ensure satisfactory performance, HIMSA recommends that your PC should meet or exceed the following requirements.

IMPORTANT: The following requirements are for the Noah software only. Your Noah fitting and measurement modules will most likely have higher requirements in order to run on your PC.

If you plan on using Noah on Windows 11, we suggest that you first make sure that the Noah modules you use most are certified for Windows 11, or contact the module manufacturers directly for more information.

NOTE: HIMSA supports and recommends that the latest Windows Updates and Windows Service Packs should be applied.