Hello @Hsyenoh05 ,
Welcome to Microsoft Q&A forum.
As Visual Studio 2013 is an old version of Visual Studio, you need to configure .NET Framework to support strong cryptography.
Please kindly check this thread: Visual Studio 2013 Pro – The online service is not available.
For configuring to support strong cryptography > press Windows key + R > type regedit > navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft.NetFramework\v4.0.30319 > add a new registry entry named SchUseStrongCrypto > set its type to DWord > set its value = 1(or creating a new registry entry by using PS command).
For enabling TLS 1.0 > press Windows key + R > type regedit > navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\ > TLS 1.0 > Client > Enabled DWord value 1.
Sincerely,
Tianyu
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