@Varok:
As already
@oldschool said, update to W10 1909, and may use Configure_Defender (or a more advanced tool > Hard_Configurator) tool to harden WD (W10 settings) settings.
In
System Backup, You may add Macrium Reflect Free or AOEMI Backupper, both are free and reliable.
In
Data BackUp, consider also to run manual backups of important data to external devices, and/or in cloud services.
In
Virus and Malware Removal Tools, You may add EmsiSoft Emergengy Kit and HitManPro Free.
Please specify the browsers You are using.
Please kindly reflect Your changes editing Your config, and announcing them here, thanks for sharing