Reinstall Apps Windows 10 Specifically the Photos app

I followed the instructions on this post, Option 2 for Microsoft Photos.
Reinstall and Re-register Apps in Windows 10

PowerShell -ExecutionPolicy Unrestricted -Command "& {$manifest = (Get-AppxPackage *Photos*).InstallLocation + '\AppxManifest.xml' ; Add-AppxPackage -DisableDevelopmentMode -Register $manifest}"

Here's the answer I received:
= :
The term "=" is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:5
+ & { = (Get-AppxPackage *Photos*).InstallLocation + '\AppxManifest.xml . . .
+ ~
+ CategoryInfo : ObjectNotFound: (=:String) [ ], CommandNotFoundException
+FullyQualifiedErrorId : CommandNotFoundException

cmdlet Add-AppxPackage at command pipeline position 1
Supply values for the following parameters:
Path:

I'm looking for help in uninstalling and reinstalling Microsoft Photos in Windows 10. My videos give me this error message, Invalid Value for Registry.

When I looked at the Registry, there is nothing for Microsoft Photos. I thought the best way to resolve is to uninstall and reinstall but as you can see that has not worked either. Please help.

Thank you!

This batch script can be use to re-install and re-register all the default apps that are shipped with Windows 10.

Download and install from Store.

(But I wouldn't bother ... much better 3rd party freeware programs to view/handle/manage image files ... Irfanview to start with)