Pretty much guarantee your using the wrong localization for your keyboard. EN-GB is " or £ for shift + 2/3 respectively.
Build 10114 is a partners build, impressive build is already at 10116 hopefully within this week coming up it gets released to OSG ring (fast)
Settings -> Time and Language -> Region and Language. If no EN-US listed, add language and go through the process. If it is listed, Click on it, then options. Then you will have keyboard options available.
I didn't like that dark theme, looks like an incomplete theme, I'm staying with the whitish one for now
Windows 10 build 10114 Enterprise x64 ESD Information! FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_tr-tr.esd FileDate: 2015-05-05 00:26:08 FileSize: 2,31 GB FileSHA1: BE8AECD7496DA8386634E2A9862A8464815BBFA7 FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_th-th.esd FileDate: 2015-05-04 19:50:40 FileSize: 2,32 GB FileSHA1: 0F16500095AB8A84E453461D1592687BB97016ED FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_ko-kr.esd FileDate: 2015-05-04 19:45:08 FileSize: 2,37 GB FileSHA1: 867BAA0B4C6D2F1DD085713A786564C4896958DC FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_pt-br.esd FileDate: 2015-05-04 19:44:08 FileSize: 2,33 GB FileSHA1: 8762331324FCA28CADB1ED3DB66F33B827966837 FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_sv-se.esd FileDate: 2015-05-04 19:42:22 FileSize: 2,31 GB FileSHA1: 13F20C479BB02B6F10D2DD653F657252E17A692C FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_ja-jp.esd FileDate: 2015-05-04 19:39:44 FileSize: 2,42 GB FileSHA1: C09A4C3D2D34A6DEEDAA78749C029DAB251E56FD FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_ru-ru.esd FileDate: 2015-05-04 19:22:01 FileSize: 2,34 GB FileSHA1: 44B7AC53878B918A808D8D736799A13A14536892 FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_pl-pl.esd FileDate: 2015-05-04 19:15:47 FileSize: 2,34 GB FileSHA1: 973D2699A1073D9062E00D39559539D79C9F4994 FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_de-de.esd FileDate: 2015-05-04 09:25:15 FileSize: 2,42 GB FileSHA1: 3B925CAD4243B936EB9981D95BC8D7C72736D20B FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_en-gb.esd FileDate: 2015-05-04 09:10:25 FileSize: 2,42 GB FileSHA1: D5E9274C76265F4D10C17375C8CC7FEC1C54C995 FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_es-mx.esd FileDate: 2015-05-04 09:07:17 FileSize: 2,35 GB FileSHA1: 99020E814283A8F89CB983C5DC0848B87193DB97 FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_cs-cz.esd FileDate: 2015-05-04 09:04:55 FileSize: 2,32 GB FileSHA1: BAC356E00A450E66D74C4937CC228634060D03C1 FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_fr-ca.esd FileDate: 2015-05-04 09:03:19 FileSize: 2,32 GB FileSHA1: AB79B619CBB9D2A2E4BB317E4CFCBF9453E371B4 FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_es-es.esd FileDate: 2015-05-04 08:49:38 FileSize: 2,40 GB FileSHA1: 8719DB645679119DEF44B855B7762FA9547D56BF FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_fi-fi.esd FileDate: 2015-05-04 08:35:41 FileSize: 2,32 GB FileSHA1: 599A3E9C9D469A996548F29C1A3B2B1DC9EFE454 FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_fr-fr.esd FileDate: 2015-05-04 08:29:58 FileSize: 2,39 GB FileSHA1: 3E7047263E219EB4812342839D24475B87160EBA FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_zh-cn.esd FileDate: 2015-05-04 07:43:56 FileSize: 2,55 GB FileSHA1: E2F1ACBF8358C5B0005DBD8A02759DD66F6F57EC FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_ar-sa.esd FileDate: 2015-05-04 07:43:27 FileSize: 2,33 GB FileSHA1: B7C2335715ABE6B8DFBCE57C586F81285A18FF32 FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_zh-tw.esd FileDate: 2015-05-04 07:38:36 FileSize: 2,45 GB FileSHA1: DE76464376A91A8F4354C622C27A474F9698A07D FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_it-it.esd FileDate: 2015-05-04 07:37:53 FileSize: 2,36 GB FileSHA1: 4F176405F784126BFECB4BF92EC738A37A46E528 FileName: 10114.0.150503-1700.fbl_impressive_CLIENTENTERPRISE_VOL_x64fre_nl-nl.esd FileDate: 2015-05-04 07:26:18 FileSize: 2,32 GB FileSHA1: B089D3781288D5F90EF0165BEA9FB957E242FDC0 0