To check what version of M2E Pro is currently installed in your Magento, follow the instructions below.

For Magento 1 users:

1. Go to eBay, Amazon, Walmart > Help Center.
2. Check Version Info block to see your current version.

For Magento 2 users:

1. Go to eBay/Amazon/Walmart > Health Status > Developers/Administrators area.
2. In About Module/Magento tab check Module block to see your current version.