.NET 5 reached its End of Life (EOL) on May 10, 2022 . For active security, it is highly recommended to use .NET 8 (LTS) . 3. Which version do I really need?

Temporarily disable any aggressive third-party antivirus software that might block system file modifications. Phase 2: Execution

This is the most reliable method for IT professionals.

.NET 5 is a modern, cross-platform implementation of .NET. Unlike the .NET Framework, it is not a Windows-only component. .NET 5 reached its , and it is strongly recommended to upgrade to a newer, supported version like .NET 6, 7, 8, or 10.

Navigate to the drive letter in File Explorer. Inside, look for a folder named sources . Confirm the file install.wim or install.esd exists.

: If you meant the modern ".NET 5," this version is cross-platform (Windows, macOS, Linux) and is the successor to both .NET Framework 4.x and .NET Core 3.1. System Requirements for 4.5.2 : 1 GHz or faster. : 512 MB of RAM. Disk Space

Go to the official Microsoft .NET Framework download page. Look for the "Runtime" section and select the "Offline installer" link.

Run Command Prompt as Administrator .