I brought and installed Windows office home and student for my desktop, can I use it again and put it on my lap top or can you only use it once?|||i think you can use it like 5 times total then the product key expires|||By law you should not have it installed at the same time, on two different machines. But if you uninstall it from one, then you are allowed to reinstall it on the other. It is possible to install on both, but it's against the law to run them both at the same time.

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