Ignore "\n" function and similar?

How do i ignore "\ n" and similar? Here is the 2 lines where all the errors taking place:

Code:

 string zipToUnpack = "C:\ProgramData\FinalWorldGame\Zip\FinalWorldWindows.zip";
         string unpackDirectory = "C:\ProgramData\FinalWorldGame\Game";

Errors:

 Assets/Updater2.cs(86,41): error CS1009: Unrecognized escape sequence `\P'
 
 Assets/Updater2.cs(86,53): error CS1009: Unrecognized escape sequence `\F'
 
 Assets/Updater2.cs(86,68): error CS1009: Unrecognized escape sequence `\Z'
 
 Assets/Updater2.cs(86,72): error CS1009: Unrecognized escape sequence `\F'
 
 Assets/Updater2.cs(87,45): error CS1009: Unrecognized escape sequence `\P'
 
 Assets/Updater2.cs(87,57): error CS1009: Unrecognized escape sequence `\F'
 
 Assets/Updater2.cs(87,72): error CS1009: Unrecognized escape sequence `\G'