Can I write off anti-virus software. I am an independent contractor and had to purchase a new monitor in 2018. Also, can I write of anti-virus software?

[Coleen3]

Yes. As an Indepependent Contractor, you may be able to deduct certain unreimbursed expenses that the IRS considers "ordinary and necessary" to do your job. Necessary does not mean that you can't do without it, merely that it is helpful.