We don't have a download link yet, but you can find it using Google.
Review
SketchUp is developed by @Last Software, Inc. and is used by 1151 users of Software Informer. The most popular versions of this product among our users are: 3.0, 3.1, 4.0, 5.0, 7.1 and 8.0. The names of program executable files are AppLoc.exe, SketchUp.exe and VSWCD03_8C74649B.exe. Works with skp file type. The product will soon be reviewed by our informers.