Install Win64 stable version offline
https://www.google.cn/chrome/?standalone=1&platform=win64&extra=stablechannel
standalone: 1 means offline installation package;
platform: win64 means window64 bit, win means window34 bit, mac means mac version;
extra: stablechannel means stable version; betachannel means beta version; devchannel means development board; canarychannel means canary version.
historic version
https://vikyd.github.io/download-chromium-history-version/