the points to be consider for intstllation testing are 
1)on types os that the installation can be done if it has 
been developed on the 2000 then it should wrok on the 2003 
2)when the product is instteled then it show be come n to 
the add/remove 
3)if product is instelled if it is coming in the menu bar 
it should come properly 
4) while we uninstall it it should removeall the file that 
are the that product 
5)modification should be possible
6)repair:- should be done 
for project 
           this are the point to rember for the 
installation testing