The patches/internal builds can be downloaded from the Sitefinity account:
1. Login to Progress, Your account https://www.telerik.com/account/
2. Navigate to Downloads » Sitefinity CMS
3. The Versions tab is selected by default. Sitefinity Major versions or Official Releases and Hotfixes are available under this Versions tab.
Major versions are the official releases (e.g. 9.0, 9.1, 9.2, 10.0 etc.) and these have the build version like 9.0.6000, 9.1.6100, 9.2.6200 and 10.0.6400, a pattern of 00 at the end (e.g. 6000, 6100, 6200, 6400).
To download a Patch/Internal Build:
4. Click on the Internal Builds tab and then select the Major version from the Version drop-down list and download the ProjectManager Zip file from the Latest internal builds section (e.g. ProjectManager_12_0_7029.zip)