63949: Acronis Backup: installation on ARM-powered PC fails with "This app can't run on your PC"

Symptoms

Installation of Acronis Agent for Windows on a machine with ARM CPU architecture fails with:

This app can't run on your PC.

Cause

Acronis Backup 11.7, 12 and 12.5 and Acronis Cyber Cloud services (including Acronis Backup Cloud) do not support ARM and ARM64 CPU architecture.

These Acronis products cannot be installed on ARM-based machines.