Old XP laptop with 7, but is it legit?

I just realized I posted this in the Installation section, if an Admin wants to delete that please feel free.

I picked up an old (probably from 2007) dell latitude from a guy who was an IT worker at one of the local offices for free. The sticker says built for xp, but he has 7 on it, which doesn't necessarily mean it's not legit, but you never know. Here are the results from the Diagnostic Report (1.9.0027.0), but I am not sure how to read the results:
-----------------------------------------

Code:

Windows Validation Data-->

Validation Code: 0
Cached Online Validation Code: N/A, hr = 0x8007043c
Windows Product Key: *****-*****-QCPVQ-KHRB8-RMV82
Windows Product Key Hash: +Rj3N34NLM2JqoBO/OzgzTZXgbY=
Windows Product ID: 00359-OEM-8992687-00095
Windows Product ID Type: 2
Windows License Type: OEM SLP
Windows OS version: 6.1.7601.2.00010300.1.0.003
ID: {9975BBE7-01DB-4092-B103-1FD4138B50EE}(1)
Is Admin: Yes
TestCab: 0x0
LegitcheckControl ActiveX: N/A, hr = 0x80070002
Signed By: N/A, hr = 0x80070002
Product Name: Windows 7 Home Premium
Architecture: 0x00000000
Build lab: 7601.win7sp1_ldr.130828-1532
TTS Error: 
Validation Diagnostic: 
Resolution Status: N/A

Vista WgaER Data-->
ThreatID(s): N/A, hr = 0x80070002
Version: N/A, hr = 0x80070002

Windows XP Notifications Data-->
Cached Result: N/A, hr = 0x80070002
File Exists: No
Version: N/A, hr = 0x80070002
WgaTray.exe Signed By: N/A, hr = 0x80070002
WgaLogon.dll Signed By: N/A, hr = 0x80070002

OGA Notifications Data-->
Cached Result: N/A, hr = 0x80070002
Version: N/A, hr = 0x80070002
OGAExec.exe Signed By: N/A, hr = 0x80070002
OGAAddin.dll Signed By: N/A, hr = 0x80070002

OGA Data-->
Office Status: 100 Genuine
Microsoft Office Enterprise 2007 - 100 Genuine
OGA Version: N/A, 0x80070002
Signed By: N/A, hr = 0x80070002
Office Diagnostics: 025D1FF3-364-80041010_025D1FF3-229-80041010_025D1FF3-230-1_025D1FF3-517-80040154_025D1FF3-237-80040154_025D1FF3-238-2_025D1FF3-244-80070002_025D1FF3-258-3_E2AD56EA-765-d003_E2AD56EA-766-0_E2AD56EA-134-80004005_E2AD56EA-765-b01a_E2AD56EA-766-0_E2AD56EA-148-80004005_16E0B333-89-80004005_B4D0AA8B-1029-80004005

Browser Data-->
Proxy settings: N/A
User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Win32)
Default Browser: C:\Users\Poop Shoot\AppData\Local\Google\Chrome\Application\chrome.exe
Download signed ActiveX controls: Prompt
Download unsigned ActiveX controls: Disabled
Run ActiveX controls and plug-ins: Allowed
Initialize and script ActiveX controls not marked as safe: Disabled
Allow scripting of Internet Explorer Webbrowser control: Disabled
Active scripting: Allowed
Script ActiveX controls marked as safe for scripting: Allowed

File Scan Data-->
File Mismatch: C:\Windows\system32\wat\watadminsvc.exe[Hr = 0x80070003]
File Mismatch: C:\Windows\system32\wat\npwatweb.dll[Hr = 0x80070003]
File Mismatch: C:\Windows\system32\wat\watux.exe[Hr = 0x80070003]
File Mismatch: C:\Windows\system32\wat\watweb.dll[Hr = 0x80070003]

Other data-->
Office Details: <GenuineResults><MachineData><UGUID>{9975BBE7-01DB-4092-B103-1FD4138B50EE}</UGUID><Version>1.9.0027.0</Version><OS>6.1.7601.2.00010300.1.0.003</OS><Architecture>x32</Architecture><PKey>*****-*****-*****-*****-RMV82</PKey><PID>00359-OEM-8992687-00095</PID><PIDType>2</PIDType><SID>S-1-5-21-1636915048-158788116-2863255964</SID><SYSTEM><Manufacturer>Dell Inc.</Manufacturer><Model>Latitude D820                   </Model></SYSTEM><BIOS><Manufacturer>Dell Inc.</Manufacturer><Version>A10</Version><SMBIOSVersion major="2" minor="4"/><Date>20100127000000.000000+000</Date></BIOS><HWID>E60D3407018400EE</HWID><UserLCID>0409</UserLCID><SystemLCID>0409</SystemLCID><TimeZone>Eastern Standard Time(GMT-05:00)</TimeZone><iJoin>0</iJoin><SBID><stat>3</stat><msppid></msppid><name></name><model></model></SBID><OEM><OEMID>DELL  </OEMID><OEMTableID>WN09   </OEMTableID></OEM><GANotification/></MachineData><Software><Office><Result>100</Result><Products><Product GUID="{90120000-0030-0000-0000-0000000FF1CE}"><LegitResult>100</LegitResult><Name>Microsoft Office Enterprise 2007</Name><Ver>12</Ver><Val>70C7F96C82AD586</Val><Hash>S30ULyO45UgloVP4AEiIursPalM=</Hash><Pid>89388-707-1806497-65207</Pid><PidType>14</PidType></Product></Products><Applications><App Id="15" Version="12" Result="100"/><App Id="16" Version="12" Result="100"/><App Id="18" Version="12" Result="100"/><App Id="19" Version="12" Result="100"/><App Id="1A" Version="12" Result="100"/><App Id="1B" Version="12" Result="100"/><App Id="44" Version="12" Result="100"/><App Id="A1" Version="12" Result="100"/><App Id="BA" Version="12" Result="100"/></Applications></Office></Software></GenuineResults>  

Spsys.log Content: 0x80070002

Licensing Data-->
On a computer running Microsoft Windows non-core edition, run 'slui.exe 0x2a 0x8007043C' to display the error text.
Error: 0x8007043C 

Windows Activation Technologies-->
HrOffline: 0x00000000
HrOnline: N/A
HealthStatus: 0x0000000000000000
Event Time Stamp: N/A
ActiveX: Not Registered - 0x80040154
Admin Service: Not Registered - 0x80040154
HealthStatus Bitmask Output:


HWID Data-->
HWID Hash Current: LAAAAAEAAgABAAEAAAAAAAAAAgABAAEAnJ++ZiXo6k7+98YZYkZyDtBG9Eg=

OEM Activation 1.0 Data-->
N/A

OEM Activation 2.0 Data-->
BIOS valid for OA 2.0: yes
Windows marker version: 0x20001
OEMID and OEMTableID Consistent: yes
BIOS Information: 
  ACPI Table Name    OEMID Value    OEMTableID Value
  APIC            DELL          M07    
  FACP            DELL          M07    
  HPET            DELL          M07    
  MCFG            DELL          M07    
  ASF!            DELL          M07    
  TCPA            DELL          M07    
  SLIC            DELL          WN09   
  SSDT            PmRef        CpuPm

The easiest thing to do is call up Microsoft and give them that 25 character "Product Key" (begins with ***** in your paste) and see what they say.

just go open the properties windows and then scroll down to the section that says Windows activation and it says if its activated then you are good