In terms of using WeChat on multiple devices, it is not possible to do so without a limitation.
The company no longer needs more users to make more profit.
If not, just enter the right one.
If not, you have to uninstall the old WeChat app and download it from the official Google Play store or Apple App store.
If you don't already have a WeChat account, you can get information at.
There are many people in this world want to get involved in WeChat environment and some of them find it difficult to get in.