there alot thing u can turn off the best way is use software that dose it for u like tune up which has a free trial
these the best turn off and tune up misses some of them
you can disable these safely no problom
Application Experience
Block Level Backup Engine Service
Certificate Propagation
IP Helper
Portable Device Enumerator Service
Distributed Link Tracking Client
Protected Storage
Portable Device Enumerator Service
Secondary Logon
Software Protection
Server
Tablet PC Input Service
TCP/IP NetBIOS Helper
Windows Media Center Service Launcher
Windows Search
Remote Registry
Windows Time
Windows Security Center
Windows Search
these can be if
Windows Firewall (Firewall installed)
Windows Defender (Antispyware + Antivirus installed)
HomeGroup Provider (No HomeGroup Sharing)
Homegroup Listener (No HomeGroup Sharing)
SSDP Discovery (No HomeGroup Sharing)
Windows Media Player Network Sharing Services (No HomeGroup Sharing)
Themes
Desktop Windows Manager Session Manager(On a Netbook)
Windows Image Acquisitions (WIA) (No Camera/Scanner)
Print Spooler if no printer
