Downloading a "portable" version of Microsoft Visio 2010 is a common search for users looking for quick, installation-free diagramming. However, because Visio 2010 is a legacy product, there are critical legal and security factors you should know before you download. The Reality of "Portable" Microsoft Visio 2010
If you only need to view .vsd or .vsdx files, the official Visio 2010 Viewer is still available for download from Microsoft. download microsoft visio 2010 portable best
If you need to work with Visio files without a full, permanent installation, consider these official (and safer) options: Downloading a "portable" version of Microsoft Visio 2010
Since it no longer receives security updates, using any version of Visio 2010 (portable or installed) can expose your computer to vulnerabilities and malware. Official Alternatives for Viewing and Creating Diagrams If you need to work with Visio files
Users with a Microsoft 365 account can often view and perform basic edits on Visio files directly in their browser without installing any software.
Microsoft no longer provides direct download links for the Visio 2010 installer, even if you have a valid product key.