下载 IDM

官网链接：Internet Download Manager: The fastest download accelerator

运行脚本

# Enable TLSv1.2 for compatibility with older clients
[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor [System.Net.SecurityProtocolType]::Tls12

$DownloadURL = 'https://raw.githubusercontents.com/lstprjct/IDM-Activation-Script/main/IAS_0.7_ModByPiash.cmd'

$FilePath = "$env:TEMP\IAS.cmd"

try {
    Invoke-WebRequest -Uri $DownloadURL -UseBasicParsing -OutFile $FilePath
} catch {
    Write-Error $_
	Return
}

if (Test-Path $FilePath) {
    Start-Process $FilePath -Wait
    $item = Get-Item -LiteralPath $FilePath
    $item.Delete()
}

win+r快捷键调出运行窗口输入powershell并运行上述脚本

开始注册

注册成功

IDM 在B站没有显示下载按钮

在IDM的选项-常规-自定义浏览器中的下载浮动条，添加M4S和XS类型文件即可，刷新浏览器后，就有了。