I bought a copy of Office 2010 Home and Student a few years ago from a brick and mortar store. I tried to install it a few weeks ago and got the message that I

I bought a copy of Office 2010 Home and Student a few years ago from a brick and mortar store. I tried to install it a few weeks ago and got the message that I installed it too often (which perhaps I did because I only need it once a year and I use Linux, so I always install it in a throwaway virtual machine). The installer told me to call a number but it looks like they disabled that number and they are currently in the process of setting up a new system. Meanwhile I can't use my legit copy...