Install/Upgrade M2E Pro

Please check the M2E Pro versions lifecycle policy before installation/upgrading to be sure your Magento version is compatible with the latest M2E Pro version.
To install M2E Pro into your Magento, please use one of the following methods:
M2E Pro extension integrates Magento into eBay, Amazon, and Walmart platforms to deliver the multi-channel retail experience that boosts your profitability.
The Solution supports multiple eBay/Amazon/Walmart accounts, and continuous inventory synchronization with full order lifecycle management across 23 eBay, 14 Amazon, and 2 Walmart marketplaces.
The Module is improved on a constant basis to provide you with the highest level of service. Detailed information about each version can be found in the Release Notes/Policy section. It is strongly recommended to use the most up-to-date version.
No data can be lost during an upgrade process. However, please, always back up your system prior to any upgrade-related activity.
If you face any issues during the installation/upgrade process, read this article to find the solution or email our Support Team.


via Connect Manager
via M2E Pro Updater
from Source Code Archive
via Composer
Typical causes of failed upgrade