The iRig drivers should work with ASIO4ALL without issue. If you don't use ASIO4ALL after installing the iRig drivers, it could not hurt to uninstall these to prevent any conflicts.
Once the iRig drivers are installed, restart your system to allow them to appear in your audio programs.
If you still have any issues after these suggestions, check with support:
https://www.ikmultimedia.com/contact-support/