According to Avast, it should be supported: https://support.avast.com/index.php?languageid=1&group=eng&_m=knowledgebase&_a=viewarticle&kbarticleid=750#idt_01

What other security software do you currently have or did you have in the past on this machine including:

  • Antivirus (AV)
  • Firewall (FW)
  • Trial versions of AV, FW and other security programs
  • Other security software
  • If you had other AV and FW on your system, did you use the vendor’s uninstaller tool or another way to uninstall?