Bun v1.2.20
To install Bun v1.2.20
curl -fsSL https://bun.sh/install | bash # or you can use npm # npm install -g bun
Windows:
powershell -c "irm bun.sh/install.ps1|iex"
To upgrade to Bun v1.2.20:
bun upgrade
Fetched April 21, 2026
To install Bun v1.2.22 Windows: To upgrade to Bun v1.2.22: [Read Bun v1.2.22's release notes on Bun's
To install Bun v1.2.21 Windows: To upgrade to Bun v1.2.21: [Read Bun v1.2.21's release notes on Bun's