更改steam的游戏库

用记事本打开steam/steamapps/libraryfolders.vdf，然后按照格式添加条目

"LibraryFolders"
{
"TimeNextStatsReport" "xxxxxxxxx"
"ContentStatsID" "xxxxxxxxxxxxxx"
"1" "D:\\Games\\Steam Games"
"2" "E:\\Steam"
"3" "C:\\SteamLibrary"
}