You can plug in your phone, download an emulator, or install the Google Play Store to access Android apps on your computer. Some tinkering may be required.

Replacing your router with a new model sounds like a challenge. Thankfully, modern technology has made this process much quicker and easier than it used to be.

But QR codes can also leave you vulnerable. That’s because scammers, organized criminal gangs, and shady nation-states are ...