1. Download MemoryAnalyzer-1.x.zip from http://www.eclipse.org/mat/downloads.php
2. Go to eclipse then click on Help->Install New Software, after that Select "Add" button provide the details for Memory analyzer, then click OK
3. It will dispaly list of available softwares for MAT, select both and click NEXT
4. Installation Details, Click NEXT
5. Accept License Agreement, then click FINISH
6. We can see Installation progress
7. After installation will find perspective for Memory Analyzer. Go to Open Perspective->Others->Type Memory Analyzer-> Select that and Click OK