https://www.microsoft.com/en-us/download/details.aspx?id=50410

wix-bootstrap-ucrt-sample.wxs

<?xml version="1.0" encoding="utf-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi"
  xmlns:bal="http://schemas.microsoft.com/wix/BalExtension"
  xmlns:util="http://schemas.microsoft.com/wix/UtilExtension">

  <Bundle
    Name="Example Product"
    Version="1.2.3.4"
    Manufacturer="John Doe"
    Copyright="© 2021 John Doe"
    AboutUrl="https://example.com/"
    UpgradeCode="01234567-89AB-CDEF-0123-456789ABCDEF"
    Condition="VersionNT >= v6.0">

    <BootstrapperApplicationRef
      Id="WixStandardBootstrapperApplication.RtfLicense">
      <bal:WixStandardBootstrapperApplication
        LicenseFile="license.rtf"
        ShowVersion="yes"
        SuppressOptionsUI="yes" />
    </BootstrapperApplicationRef>

    <!-- v6.0 Service Pack 2 -->
    <bal:Condition Message="This application requires Service Pack 2 for Windows Vista / Server 2008.">
      <![CDATA[NOT ((VersionNT = v6.0) AND (ServicePackLevel < 2))]]>
    </bal:Condition>

    <!-- v6.1 Service Pack 1 -->
    <bal:Condition Message="This application requires Service Pack 1 for Windows 7 / Server 2008 R2.">
      <![CDATA[NOT ((VersionNT = v6.1) AND (ServicePackLevel < 1))]]>
    </bal:Condition>

    <!-- v6.3 KB2919355 -->
    <util:FileSearch
      Id="HAL.DLL"
      Path="[WindowsFolder]System32\hal.dll"
      Result="version"
      Variable="NT603HALVER"
      Condition="VersionNT = v6.3" />
    <bal:Condition Message="This application requires S14 Update (KB2919355) for Windows 8.1 / Server 2012 R2.">
      <![CDATA[NOT ((VersionNT = v6.3) AND (NT603HALVER < v6.3.9600.17031))]]>
    </bal:Condition>

    <!-- ucrtbase.dll version -->
    <util:FileSearch
      Id="UCRTBASE.DLL"
      Path="[WindowsFolder]System32\ucrtbase.dll"
      Result="version"
      Variable="UCRTBASEVER" />
    <!-- universal crt version -->
    <Variable
      Name="UCRTVER"
      Type="version"
      Value="10.0.10586.0" />

    <Chain>

      <!-- Windows Vista / Windows Server 2008 (x86) -->
      <MsuPackage
        Name="Windows6.0-KB3118401-x86.msu"
        DisplayName="Universal CRT"
        KB="KB3118401"
        Cache="no"
        Compressed="yes"
        Permanent="yes"
        SourceFile="Windows6.0-KB3118401-x86.msu"
        InstallCondition="(VersionNT = v6.0) AND NOT (VersionNT64)"
        DetectCondition="(VersionNT = v6.0) AND NOT (VersionNT64) AND (UCRTBASEVER >= UCRTVER)" />

      <!-- Windows Vista / Windows Server 2008 (x64) -->
      <MsuPackage
        Name="Windows6.0-KB3118401-x64.msu"
        DisplayName="Universal CRT"
        KB="KB3118401"
        Cache="no"
        Compressed="yes"
        Permanent="yes"
        SourceFile="Windows6.0-KB3118401-x64.msu"
        InstallCondition="(VersionNT = v6.0) AND (VersionNT64)"
        DetectCondition="(VersionNT = v6.0) AND (VersionNT64) AND (UCRTBASEVER >= UCRTVER)" />

      <!-- Windows 7 (x86) -->
      <MsuPackage
        Name="Windows6.1-KB3118401-x86.msu"
        DisplayName="Universal CRT"
        KB="KB3118401"
        Cache="no"
        Compressed="yes"
        Permanent="yes"
        SourceFile="Windows6.1-KB3118401-x86.msu"
        InstallCondition="(VersionNT = v6.1) AND NOT (VersionNT64)"
        DetectCondition="(VersionNT = v6.1) AND NOT (VersionNT64) AND (UCRTBASEVER >= UCRTVER)" />

      <!-- Windows 7 / Windows Server 2008 R2 (x64) -->
      <MsuPackage
        Name="Windows6.1-KB3118401-x64.msu"
        DisplayName="Universal CRT"
        KB="KB3118401"
        Cache="no"
        Compressed="yes"
        Permanent="yes"
        SourceFile="Windows6.1-KB3118401-x64.msu"
        InstallCondition="(VersionNT = v6.1) AND (VersionNT64)"
        DetectCondition="(VersionNT = v6.1) AND (VersionNT64) AND (UCRTBASEVER >= UCRTVER)" />

      <!-- Windows 8 (x86) -->
      <MsuPackage
        Name="Windows8-RT-KB3118401-x86.msu"
        DisplayName="Universal CRT"
        KB="KB3118401"
        Cache="no"
        Compressed="yes"
        Permanent="yes"
        SourceFile="Windows8-RT-KB3118401-x86.msu"
        InstallCondition="(VersionNT = v6.2) AND NOT (VersionNT64)"
        DetectCondition="(VersionNT = v6.2) AND NOT (VersionNT64) AND (UCRTBASEVER >= UCRTVER)" />

      <!-- Windows 8 / Windows Server 2012 (x64) -->
      <MsuPackage
        Name="Windows8-RT-KB3118401-x64.msu"
        DisplayName="Universal CRT"
        KB="KB3118401"
        Cache="no"
        Compressed="yes"
        Permanent="yes"
        SourceFile="Windows8-RT-KB3118401-x64.msu"
        InstallCondition="(VersionNT = v6.2) AND (VersionNT64)"
        DetectCondition="(VersionNT = v6.2) AND (VersionNT64) AND (UCRTBASEVER >= UCRTVER)" />

      <!-- Windows 8.1 (x86) -->
      <MsuPackage
        Name="Windows8.1-KB3118401-x86.msu"
        DisplayName="Universal CRT"
        KB="KB3118401"
        Cache="no"
        Compressed="yes"
        Permanent="yes"
        SourceFile="Windows8.1-KB3118401-x86.msu"
        InstallCondition="(VersionNT = v6.3) AND NOT (VersionNT64)"
        DetectCondition="(VersionNT = v6.3) AND NOT (VersionNT64) AND (UCRTBASEVER >= UCRTVER)" />

      <!-- Windows 8.1 / Windows Server 2012 R2 (x64) -->
      <MsuPackage
        Name="Windows8.1-KB3118401-x64.msu"
        DisplayName="Universal CRT"
        KB="KB3118401"
        Cache="no"
        Compressed="yes"
        Permanent="yes"
        SourceFile="Windows8.1-KB3118401-x64.msu"
        InstallCondition="(VersionNT = v6.3) AND (VersionNT64)"
        DetectCondition="(VersionNT = v6.3) AND (VersionNT64) AND (UCRTBASEVER >= UCRTVER)" />

    </Chain>

  </Bundle>

</Wix>