Yes, you need to upgrade the Axcrypt 2.x version.
You can download the AxCrypt app latest version from our official website: https://www.axcrypt.net/download/ .
Now install the AxCrypt app in your system then Sign in to the AxCrypt app with your AxCrypt credentials.
You cannot have both AxCrypt 1.x and 2.x installed at the same system.
Please note: AxCrypt 2.x use a single sign on model where the same password is used to sign in to our servers and to protect your files.