Translation of Miezekatze

There are several different TV programs in the hotel room and depending on the country of origin they broadcast in different languages. I believe European TV programs are much longer and have less advertisement than those from North America.
Maybe we would need to say install our dictionary as a software? But I would say instead of install, use our dictionary as a software. So bottom line. If I use the singular form for newsletters and websites, I am on the safe side for both?
What problems did you have when you had to share your flat with your mates? Probably you were not used to it. We say that when we live close we usually discover many issues that were not known.