# Download Service Pack/Hotfix

We recommend users to move to the latest version, OS Deployer build **[#1.5.2637.1](https://downloads.zohocorp.com/dnd_120/OSDeployer/NNVv56mwJakLmpX/ManageEngine_OS_Deployer_1_5_0_SP-2637_1.ppm) ([Learn what's new](https://www.manageengine.com/products/os-deployer/hotfix-readme.html))**

The SHA256 checksum hash value is **1f4a68ae0c0f53f104629b830591035401dc686239ebc148d5d2048beae2e7f8**

For steps to install the service packs, click [here](https://www.manageengine.com/products/os-deployer/help/server/installing_service_pack.html#is-prereq-osd).

| If your build number is | Upgrade to Build Number | SHA256 Checksum hash value |
|---|---|---|
| 1.0.1 to 1.0.85 | [Download](https://downloads.zohocorp.com/dnd/OSDeployer/Hv6reqZXzsr9jVw/ManageEngine_OS_Deployer_1_SP_1.ppm) and upgrade to 1.1.2204.1 | 3EA1D901BA7BCDAA160129AE9821572C76DA5CB62726531C71DA5761D020D5B0 |
| 1.1.2204.1 to 1.1.2314.1 | [Download](https://downloads.zohocorp.com/dnd/OSDeployer/qxxEHaqTEJktFpe/ManageEngine_OS_Deployer_1_2_0_SP-2315_2.ppm) and upgrade to 1.2.2315.2 | 986421E77DE4D6C4F3869AF447A4DEDEFBDC78E8782611E22E3A604254A8819D |
| 1.2.2315.1 to 1.2.2447.1 | [Download](https://downloads.zohocorp.com/dnd/OSDeployer/cj80bN8ZkMyjVkI/ManageEngine_OS_Deployer_1_3_0_SP-2448_1.ppm) and upgrade to 1.3.2448.1 | 54902A66A5AE98CBF0A37786056385B4E6084CB76D1B04D192C96C6DAE2914BC |
| 1.3.2448.1 to 1.3.2527.1 | [Download](https://downloads.zohocorp.com/dnd/OSDeployer/8O6idZY6uDxvTCF/ManageEngine_OS_Deployer_1_4_0_SP-2528_1.ppm) and upgrade to 1.4.2528.1 | CF451C8509BA6B4CD3A81FBD8CFD76AAD2539A0C97C1902A30F00A2ED43CFEF0 |
| 1.4.2528.1 to 1.4.2609.1 | [Download](https://downloads.zohocorp.com/dnd/OSDeployer/JMVF9pq2PAh7BRn/ManageEngine_OS_Deployer_1_5_0_SP-2611_1.ppm) and upgrade to 1.5.2611.1 | B6A728388498D2CEBCC19E5AA3805A3B2ED3D25FE2B0B500F9F964CB3AA41DA8 |
| 1.5.2611.1 to 1.5.2635.1 | [Download](https://downloads.zohocorp.com/dnd_120/OSDeployer/NNVv56mwJakLmpX/ManageEngine_OS_Deployer_1_5_0_SP-2637_1.ppm) and upgrade to 1.5.2637.1 | 1f4a68ae0c0f53f104629b830591035401dc686239ebc148d5d2048beae2e7f8 |

## Need help?

If you still have troubles in updating OS Deployer to the latest build mail us at osdeployer-support@manageengine.com