I forgot to say that I even reinstalled the chipsets motherboard drivers.
I saw somewehre in the forum (I don’t remmerber where) that an older 2.X beta version of audacity worked in windows 10, can you confirm that?
Thank you again for your help, I’m agree to try anything to make It work, I really enjoy audacity and I don’t want to use another program 
here’s the dxdiag report concerning the sound:
-------------
Sound Devices
-------------
Description: Haut-parleurs (Realtek High Definition Audio)
Default Sound Playback: Yes
Default Voice Playback: Yes
Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_1043860B&REV_1003
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: RTKVHD64.sys
Driver Version: 6.00.0001.7535 (English)
Driver Attributes: Final Retail
WHQL Logo'd: Yes
Date and Size: 7/30/2015 07:57:53, 4504320 bytes
Other Files:
Driver Provider: Realtek Semiconductor Corp.
HW Accel Level: Basic
Cap Flags: 0xF1F
Min/Max Sample Rate: 100, 200000
Static/Strm HW Mix Bufs: 1, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
Description: Haut-parleurs (Yeti Stereo Microphone)
Default Sound Playback: No
Default Voice Playback: No
Hardware ID: USB\VID_B58E&PID_9E84&REV_0100&MI_00
Manufacturer ID: 65535
Product ID: 65535
Type: WDM
Driver Name: USBAUDIO.sys
Driver Version: 10.00.10240.16384 (French)
Driver Attributes: Final Retail
WHQL Logo'd: Yes
Date and Size: 7/10/2015 12:59:36, 131584 bytes
Other Files:
Driver Provider: Microsoft
HW Accel Level: Basic
Cap Flags: 0xF1F
Min/Max Sample Rate: 100, 200000
Static/Strm HW Mix Bufs: 1, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
Description: Haut-parleurs (ASUS Xonar D2 Audio Device)
Default Sound Playback: No
Default Voice Playback: No
Hardware ID: PCI\VEN_13F6&DEV_8788&SUBSYS_82691043&REV_00
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: cmudaxp.sys
Driver Version: 5.12.0001.0008 (English)
Driver Attributes: Final Retail
WHQL Logo'd: No
Date and Size: 3/10/2011 16:44:16, 2725376 bytes
Other Files:
Driver Provider: ASUSTeK
HW Accel Level: Basic
Cap Flags: 0xF1F
Min/Max Sample Rate: 100, 200000
Static/Strm HW Mix Bufs: 1, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
Description: Realtek Digital Output(Optical) (Realtek High Definition Audio)
Default Sound Playback: No
Default Voice Playback: No
Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_1043860B&REV_1003
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: RTKVHD64.sys
Driver Version: 6.00.0001.7535 (English)
Driver Attributes: Final Retail
WHQL Logo'd: Yes
Date and Size: 7/30/2015 07:57:53, 4504320 bytes
Other Files:
Driver Provider: Realtek Semiconductor Corp.
HW Accel Level: Basic
Cap Flags: 0xF1F
Min/Max Sample Rate: 100, 200000
Static/Strm HW Mix Bufs: 1, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
Description: Realtek Digital Output (Realtek High Definition Audio)
Default Sound Playback: No
Default Voice Playback: No
Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_1043860B&REV_1003
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: RTKVHD64.sys
Driver Version: 6.00.0001.7535 (English)
Driver Attributes: Final Retail
WHQL Logo'd: Yes
Date and Size: 7/30/2015 07:57:53, 4504320 bytes
Other Files:
Driver Provider: Realtek Semiconductor Corp.
HW Accel Level: Basic
Cap Flags: 0xF1F
Min/Max Sample Rate: 100, 200000
Static/Strm HW Mix Bufs: 1, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
Description: S/PDIF Pass-through Device (ASUS Xonar D2 Audio Device)
Default Sound Playback: No
Default Voice Playback: No
Hardware ID: PCI\VEN_13F6&DEV_8788&SUBSYS_82691043&REV_00
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: cmudaxp.sys
Driver Version: 5.12.0001.0008 (English)
Driver Attributes: Final Retail
WHQL Logo'd: No
Date and Size: 3/10/2011 16:44:16, 2725376 bytes
Other Files:
Driver Provider: ASUSTeK
HW Accel Level: Basic
Cap Flags: 0xF1F
Min/Max Sample Rate: 100, 200000
Static/Strm HW Mix Bufs: 1, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
Description: Haut-parleurs (ASUS Xonar D2 Converter)
Default Sound Playback: No
Default Voice Playback: No
Hardware ID: PCI\VEN_13F6&DEV_8788&SUBSYS_82691043&REV_00
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: cmudaxp.sys
Driver Version: 5.12.0001.0008 (English)
Driver Attributes: Final Retail
WHQL Logo'd: No
Date and Size: 3/10/2011 16:44:16, 2725376 bytes
Other Files:
Driver Provider: ASUSTeK
HW Accel Level: Basic
Cap Flags: 0xF1F
Min/Max Sample Rate: 100, 200000
Static/Strm HW Mix Bufs: 1, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
---------------------
Sound Capture Devices
---------------------
Description: Microphone (Yeti Stereo Microphone)
Default Sound Capture: Yes
Default Voice Capture: Yes
Driver Name: USBAUDIO.sys
Driver Version: 10.00.10240.16384 (French)
Driver Attributes: Final Retail
Date and Size: 7/10/2015 12:59:36, 131584 bytes
Cap Flags: 0x1
Format Flags: 0xFFFFF
Description: Microphone (ASUS Xonar D2 Audio Device)
Default Sound Capture: No
Default Voice Capture: No
Driver Name: cmudaxp.sys
Driver Version: 5.12.0001.0008 (English)
Driver Attributes: Final Retail
Date and Size: 3/10/2011 16:44:16, 2725376 bytes
Cap Flags: 0x1
Format Flags: 0xFFFFF
Description: SPDIF In (ASUS Xonar D2 Audio Device)
Default Sound Capture: No
Default Voice Capture: No
Driver Name: cmudaxp.sys
Driver Version: 5.12.0001.0008 (English)
Driver Attributes: Final Retail
Date and Size: 3/10/2011 16:44:16, 2725376 bytes
Cap Flags: 0x1
Format Flags: 0xFFFFF
Description: Entrée ligne (ASUS Xonar D2 Audio Device)
Default Sound Capture: No
Default Voice Capture: No
Driver Name: cmudaxp.sys
Driver Version: 5.12.0001.0008 (English)
Driver Attributes: Final Retail
Date and Size: 3/10/2011 16:44:16, 2725376 bytes
Cap Flags: 0x1
Format Flags: 0xFFFFF
Description: Stereo Mix (ASUS Xonar D2 Audio Device)
Default Sound Capture: No
Default Voice Capture: No
Driver Name: cmudaxp.sys
Driver Version: 5.12.0001.0008 (English)
Driver Attributes: Final Retail
Date and Size: 3/10/2011 16:44:16, 2725376 bytes
Cap Flags: 0x1
Format Flags: 0xFFFFF
Description: Interface audionumérique (Line 6 UX1)
Default Sound Capture: No
Default Voice Capture: No
Driver Name: L6UX164.sys
Driver Version: 4.02.0007.0002 (English)
Driver Attributes: Final Retail
Date and Size: 3/1/2014 00:04:50, 772864 bytes
Cap Flags: 0x1
Format Flags: 0xFFFFF
Description: Lecteur CD (ASUS Xonar D2 Audio Device)
Default Sound Capture: No
Default Voice Capture: No
Driver Name: cmudaxp.sys
Driver Version: 5.12.0001.0008 (English)
Driver Attributes: Final Retail
Date and Size: 3/10/2011 16:44:16, 2725376 bytes
Cap Flags: 0x1
Format Flags: 0xFFFFF
Description: Wave (ASUS Xonar D2 Audio Device)
Default Sound Capture: No
Default Voice Capture: No
Driver Name: cmudaxp.sys
Driver Version: 5.12.0001.0008 (English)
Driver Attributes: Final Retail
Date and Size: 3/10/2011 16:44:16, 2725376 bytes
Cap Flags: 0x1
Format Flags: 0xFFFFF