Update Your system, at least, to W8.1
Set UAC to Always Notify.
Follow suggestion about System Backup:
Consider also in Data BackUp to run backups of important data to in cloud services.
In Virus and Malware Removal Tools, You may add: EmsiSoft Emergengy Kit and HitManPro Free.
PassWord Manager would be welcome also.
Please kindly reflect Your changes editing Your config, and announcing them here, thanks for sharing.