Double-check to not have multiple Studio versions installed on your machine in Control Panel → Programs & Features. (Keep in mind that UiPath Platform is an old version of UiPath Studio)
After you installed Studio 2022.4.4, check the C:\Program Files\UiPath\Studio\NuGet.config to have something similar to this:
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<packageSources>
<!-- Add this repository to the list of available repositories -->
<add key="Local" value="C:\Program Files\UiPath\Studio\Packages\" />
<!-- <add key="Local" value="C:\local feed path\" /> -->
<add key="Marketplace" value="https://www.myget.org/F/workflow/api/v3/index.json" />
<add key="Connect" value="https://gallery.uipath.com/api/v2" />
<add key="Official" value="https://packages.uipath.com/activities" />
<add key="nugetorg" value="https://api.nuget.org/v3/index.json" />
</packageSources>
<config>
<add key="signatureValidationMode" value="accept" />
</config>
</configuration>