Microsoft SQL Server 2005 has reached its official End of Life (EOL) , and support for the product completely ended on April 12, 2016
Before downloading SQL Server 2005 Standard Edition 64-bit ISO, ensure your system meets the minimum requirements: download sql server 2005 standard edition 64-bit iso
When downloading from third-party archives, always verify the file hash if possible. Scanning the downloaded file with an antivirus solution is mandatory, as abandonware sites can be vectors for malware. Microsoft SQL Server 2005 has reached its official
for the full "Standard" and "Enterprise" ISOs have been removed from the public Microsoft Download Center. Technical support from Microsoft is no longer available for this version. Where to Find the 64-bit ISO Technical support from Microsoft is no longer available
If you have a valid license key, and the VLSC fails you, open a ticket with Microsoft Partner Support. They have a "Legacy Media Request" form for exactly this situation. If you do not have a license key, you cannot legally download the ISO.
If your organization maintains an active Visual Studio Enterprise or Professional subscription (formerly MSDN), you can still retrieve legacy ISO files.