&& is notoriously hard to search for on Google Search, but the best I\'ve found is this article which says to use -and.
Unfortunatel
If your command is available in cmd.exe (something like python ./script.py, but not PowerShell command like ii . (this means to open the current directory by Windows Explorer)), you can run cmd.exe within PowerShell. The syntax is like this:
cmd /c "command1 && command2"
Here, && is provided by cmd syntax described in this question.