Open the Service Manager
Open by pressing the WinKey and typing in "Services". You should see the application. Open it.
Another way of opening it, would be by going to
C:\WINDOWS\system32\services.msc
Deactivate the Services
Double click onto the name of the service to open up the properties of the Service.
Under general, select the Startup type and switch to "Disabled" to deactivate the service permanently. To finish and close the properties, press "OK".
AllJoyn Router Service
AllJoyn is a service which lets the computer communicate with any IoT devices. If you don't have any, then you can surely turn off this service without any problems.
Auto Time Zone Update
This is a service that automatically sets the time zone. If you set up your time manually, you don't need to have this service running.
Bluetooth Support Service
This service is necessary for discovering and connecting to bluetooth devices. It's necessary to run if you have anything connect to with bluetooth- If you don't, then feel free to switch it off.
Connected Devices Platform
"This service is used for Connected Devices Platform Scenarios". Simply a service used to connect between your PC and any devices it can connect to (Printers, Phones, Storage Devices, Xbox, blah, etc.). Across the internet it's said that this service is also used to synchronise emails.
This one can take up some space on the CPU sometimes.
Downloaded Maps Manager
A service for applications to access downloaded maps.
Fax Service
Seriously: Who still uses Fax?
Geolocation Service
Used to monitor the current location of the system.
Microsoft Office Click and Run
A service to launch and install Microsoft Office Programs quicker. This one also racks up some CPU usage and can slow down your Computer, or sometimes even produces issues.
Payments and NFC/SE Manager
"Managed payments and Near Field Communitcation (NFC) based secure elements." Do you receive payments on the machine or operate NFC-Devices? No? You can deactivate it without any issues.
Remote Desktop Services
Used to connect to other desktops remotely. VNC will still work, if you deactivate it.
Remote Registry
Allows the registry on your computer remotely. Can be switched off without any complications. Otherwise I see a small security issues with that.
Touch Keyboard and Handwriting Panel Service
Used for touch keyboards and handwriting devices. You shouldn't deactivate it if you're using a pen with your pc or if you're using a tablet.
Windows Biometric Service
Used for Fingerprint sensor or face recognition. If your device does not have it or you don't use it, you can deactivate it.
Windows Error Reporting
Used to create logs on errors. This feature also allows Microsoft to track errors connected to Windows.
Windows Insider Service
Necessary for the Windows Insider Program.
Windows Media Player Network Sharing Service
Pretty much explains what it is for: "Shares Windows Media Player libraries to other networked players and media devices using Universal Plug and Play."
Xbox Live Auth Manager
Used for Authorisation Services of Xbox Live. Only necessary if Xbox Live is used.
Xbox Live Game Save
Used to synchronise save data for Xbox Live. Only necessary if Xbox Live is used.