Since SharpDevelop is no longer in active development, download the binaries from trusted archives like GitHub or SourceForge.
To ensure a safe and successful "hot download," follow these steps: sharpdevelop 44 portable hot download
While newer versions exist, version 4.4 is widely considered the "sweet spot" for many users due to its stability and broad language support compared to some later experimental releases. Since SharpDevelop is no longer in active development,
Then unzip and run Start-SharpDevelop.bat : sharpdevelop 44 portable hot download