: Official Avast files are digitally signed by "Avast Software s.r.o."
If you downloaded this file from a third-party site or found it on a USB drive:
if you don't know the source; .7z files are often used to distribute malware disguised as legitimate software.
推奨環境
Windows : Microsoft Edge(最新版)、Google Chrome(最新版)、Mozilla Firefox(最新版) Av2022 26.7z
Mac : Safari 7.0以降
