According to a Microsoft statement, Pro-com was found guilty by the West Jakarta Court of loading unauthorised copies of Microsoft's Windows and Office software onto computers and selling the PCs without the appropriate documentation, licence agreements, original disks or manuals.
Microsoft started civil action against Pro-com in February this year after it confirmed that unauthorised software was being sold by the dealer.
"This is a major victory against piracy in Indonesia," Microsoft corporate attorney Huey Tan said in the statement.
According to anti-piracy watchdog Business Software Alliance (BSA), the piracy rate in Indonesia is one of the highest in the world at 89 percent, while the global average is 37 percent.
Only people who never used Linux would pirate Windows XP.
People who have used Linux would not take Windows XP for free.