Xamarin Form How to Use Special Character on Xaml Page.

The following table shows the syntax for encoding this set of special characters:

HOW TO: USE SPECIAL CHARACTERS IN XAML

Character	Syntax	Description
<	&lt;	Less than symbol.
>	&gt;	Greater than sign.
&	&amp;	Ampersand symbol.
"	&quot;	Double quote symbol.

Example:

<Label FontAttributes="Bold" HorizontalTextAlignment="Start" VerticalTextAlignment="Center" HorizontalOptions="CenterAndExpand" Text="{Binding CurrentMonthYear}"   TextColor="White" FontSize="25" /

This will display < sign.

For more reference visit this link: https://docs.microsoft.com/en-in/dotnet/framework/wpf/advanced/how-to-use-special-characters-in-xaml

Visual Studio Install Package Manually Using Package Manager Console.

1. Download Nuget.exe  and save this file to your project location.

2. Open CMD as Administrator 

3. Open the your project location in cmd.

4. Now execute following command

5. nuget restore SolutionName.sln

This will download the all required packages