Microsoft+sharepoint+designer+2010+64bit+portable Instant

For SPO or SharePoint 2016/2019, SPFx is the modern client-side development model. No more ASPX page editing.

SharePoint Designer 2010 was primarily a application, even on 64-bit Windows. It runs under WOW64. The “64-bit” label you see in portable repacks is often: microsoft+sharepoint+designer+2010+64bit+portable

In short: Microsoft only released SharePoint Designer 2010 as a standard .exe installer that requires a full setup process on your hard drive. For SPO or SharePoint 2016/2019, SPFx is the