Follow the below steps to download the Tools,

Step 1: Create a folder in D Drive and name it as “Dynamics_365_Development_Tools“

Step 2: Click on Windows, search for Windows PowerShell and open it.

Step 3: Type the below command to change the directory.

cd D:\Dynamics_365_Development_Tools

and press Enter.

Step 4: Copy & Paste the below PowerShell script in PowerShell Window to download tools from Nuget.

$sourceNugetExe = "https://dist.nuget.org/win-x86-commandline/latest/nuget.exe"
$targetNugetExe = ".\nuget.exe"
Remove-Item .\Tools -Force -Recurse -ErrorAction Ignore
Invoke-WebRequest $sourceNugetExe -OutFile $targetNugetExe
Set-Alias nuget $targetNugetExe -Scope Global -Verbose

##
##Download Plugin Registration Tool
##
./nuget install Microsoft.CrmSdk.XrmTooling.PluginRegistrationTool -O .\Tools
md .\Tools\PluginRegistration
$prtFolder = Get-ChildItem ./Tools | Where-Object {$_.Name -match 'Microsoft.CrmSdk.XrmTooling.PluginRegistrationTool.'}
move .\Tools\$prtFolder\tools\*.* .\Tools\PluginRegistration
Remove-Item .\Tools\$prtFolder -Force -Recurse

##
##Download CoreTools
##
./nuget install Microsoft.CrmSdk.CoreTools -O .\Tools
md .\Tools\CoreTools
$coreToolsFolder = Get-ChildItem ./Tools | Where-Object {$_.Name -match 'Microsoft.CrmSdk.CoreTools.'}
move .\Tools\$coreToolsFolder\content\bin\coretools\*.* .\Tools\CoreTools
Remove-Item .\Tools\$coreToolsFolder -Force -Recurse

##
##Download Configuration Migration
##
./nuget install Microsoft.CrmSdk.XrmTooling.ConfigurationMigration.Wpf -O .\Tools
md .\Tools\ConfigurationMigration
$configMigFolder = Get-ChildItem ./Tools | Where-Object {$_.Name -match 'Microsoft.CrmSdk.XrmTooling.ConfigurationMigration.Wpf.'}
move .\Tools\$configMigFolder\tools\*.* .\Tools\ConfigurationMigration
Remove-Item .\Tools\$configMigFolder -Force -Recurse

##
##Download Package Deployer 
##
./nuget install Microsoft.CrmSdk.XrmTooling.PackageDeployment.WPF -O .\Tools
md .\Tools\PackageDeployment
$pdFolder = Get-ChildItem ./Tools | Where-Object {$_.Name -match 'Microsoft.CrmSdk.XrmTooling.PackageDeployment.Wpf.'}
move .\Tools\$pdFolder\tools\*.* .\Tools\PackageDeployment
Remove-Item .\Tools\$pdFolder -Force -Recurse

##
##Remove NuGet.exe
##
Remove-Item nuget.exe

Press Enter.

Step 5: Below Tools will be downloaded to D:\Dynamics_365_Development_Tools\Tools Folder.

To get the latest version of these tools, repeat these steps.

Hope you have successfully downloaded Tools from NuGet using Powershell script :):):)